1251 Pharmacosiderite, Copper Stope, Majuba Hill, Pershing Co, Nevada, USA
Green cubes of pharmacosiderite. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
United States
ncat JP2-24-2 A2105 Creedite, Hall Molybdenum Mine, San Antone District, Nye Co., Nevada, USA
Closeup of a single creedite crystal. Ex Jo Price Collection. Height of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat WD108 Plancheite, Shattuckite, Chrysocolla, Azurite Mine, Tortolita Mountains, Pinal Co., Arizona, USA
Blue puffballs of plancheite with bluish-green chrysocolla. Shattuckite present elsewhere on the specimen. Ex Steve Pullman (purchased by him at Tucson in 1991). Width of view 6mm. Stack of 69 images. Click on the image below for a higher resolution version.
4526 Libethenite, Old Reliable Mine, Copper Creek, Bunker Hill District, Pinal County, Arizona, USA
Green acicular sprays of libethenite. Width of view 6mm. Stack of 120 images. Click on the image below for a higher resolution version.
ncat JP702 Libethenite, Morenci Mine, Morenci, Greenlee County, Arizona, USA
Green pseudo-octahedral crystals on quartz. Ex Jo Price Collection. Width of view 3mm. Stack of 40 images. Click on the image below for a higher resolution version.
ncat RG Libethenite, Castle Dome Mine, Castle Dome area, Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA
Isolated green libethenite crystals. Width of view 3mm. Stack of 100 images. Click on the image below for a higher resolution version.
2723 Pyromorphite, Quartz, Bunker Hill Mine, Wardner, Shoshone County, Idaho, USA
Greenish-yellow crystals showing some sceptre growth. Ex Mark Hallam Collection. Width of view 9mm. Stack of 55 images. Click on the image below for a higher resolution version.
4397 Pyromorphite, Hardshell Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Lemony-green barrel-shaped crystals, some with paler green terminations. Ex Mark Ascher 9/2007. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
ncat SE Cerussite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
A small group of cerussite crystals, no matrix, showing some reticulation, and fluorescing light orange under longwave UV. Ex Scott Braley. Width of view 3mm. Stack of 35 images. Click on the image below for a higher resolution version.
ncat JP2455, Bastnasite-(Ce), Pyrite, Fluorite, Barite, Red Cloud Fluorite mine, Gallinas Mountains, Red Cloud District, Lincoln Co., New Mexico, USA
Green hexagonal bastnäsite-(Ce) crystal in a cavity in fluorite. A pyrite crystal beginning to alter to goethite. White to pink acicular-looking barite. Ex Jo Price Collection. Width of view 6mm. Stack of 50 images (bastnäsite-(Ce)). Stack of 40 images (pyrite). Stack of 40 images (barite). Click on the images below...
ncat SE Muscovite, Fluorite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
A specimen that shows some of the geological process. Brown brecciated rock fragments and a muscovite crystal (top left of photo) embedded in purple fluorite and white calcite(?). Ex Scott Braley. Width of view 6mm. Stack of 62 images. Click on the image for a higher resolution version.
ncat SE Pyrite, Mottramite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Crude pyrite crystal (top of photo) with black mottramite. Ex Scott Braley. Width of view 6mm. Stack of 45 images. Click on the image below for a higher resolution version.
ncat SE Kaolinite?, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
White massive material, kaolinite? Ex Scott Braley. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
ncat SE Fluorite, Chrysocolla, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Purple cubic fluorite embedded in chrysocolla. Ex Scott Braley. Width of view 3mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat SE Wulfenite, Mottramite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Tabular to blocky yellow to orange to brown wulfenite crystals with black mottramite. Ex Scott Braley. Width of view 6mm. Stack of 75 images. Click on the image below for a higher resolution version.
ncat SE Calcite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Colourless calcite crystals with a rounded habit in a matrix with fluorite, mottramite, and other things. Ex Scott Braley. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
ncat SE Hyalite Opal, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Bubbly hyalite opal with typical green fluorescence under shortwave UV due to uranyl ions. Ex Scott Braley. Width of view 6mm. Stack of 14 images (SWUV). Stack of 45 images (White Light). Click on the images below for a higher resolution version.
ncat SE Fluorite, Chrysocolla, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Interesting colours with pinkish fluorite edged by darker purple fluorite, and blue grading to nearly white chrysocolla. Ex Scott Braley. Width of view 6mm. Stack of 46 images. Click on the image below for a higher resolution version.
ncat SE Quartz, Chrysocolla, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Small colourless quartz crystals on botryoidal zoned chrysocolla. Ex Scott Braley. Width of view 6mm. Stack of 46 images. Click on the image below for a higher resolution version.
ncat SE Quartz, Agardite-(La), Chrysocolla, Fluorite, Mottramite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Colourless quartz crystals on green agardite on blue chrysocolla on massive fluorite with mottramite.. Ex Scott Braley. Width of view 6mm. Stack of 80 images. Type Locality for agardite-(La). Click on the photo below for a higher resolution version.
ncat SE Fluorite, Chrysocolla, Wulfenite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Tiny purple cubic fluorite crystals on pale blue chrysocolla. Yellow is wulfenite. Ex Scott Braley. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat SE Mottramite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Black mottramite giving the appearance of dendritic growth. Ex Scott Braley. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
ncat SE Wulfenite, Vanadinite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
A single zoned vanadinite on blocky orange wulfenite. Ex Scott Braley. Width of view 6mm. Stack of 80 images. Click on the image below for a higher resolution version.
ncat SE Fluorite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Purple cubic fluorite without matrix. Ex Scott Braley. Width of view 6mm. Stack of 25 images. Click on the image below for a higher resolution version.
ncat SE Hemimorphite, Conichalcite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Colourless bladed hemimorphite crystals. Tiny areas to the right of the photo of typical green conichalcite. Ex Scott Braley. Width of view 6mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat SE SB16499 Chrysocolla after Azurite, Bastnäsite-(Ce), Agardite-(La), Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Pale blue chrysocolla pseudomorphing azurite. Also present, tiny hexagonal colourless plates of bastnäsite(?), and tiny acicular sprays of agardite-(La). Ex Scott Braley. Width of view 6mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat SE SB16188 Mottramite, Vanadinite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Zoned vanadinite on grey to black mottramite. Ex Scott Braley. Width of view 6mm. Stack of 90 images. Click on the image below for a higher resolution version.
ncat SE SB16321 Mimetite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Yellow to orange prismatic mimetite crystals. Ex Scott Braley. Width of view 6mm. Stack of 80 images. Click on the image below for a higher resolution version.
ncat SE SB16167 Mimetite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Yellow prismatic mimetite crystals. Ex Scott Braley. Width of view 6mm. Stack of 70 images. Click on the image for a higher resolution version.
ncat SE SB16500 Vanadinite, Mottramite, Wulfenite, Mimetite, Adamite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Red vanadinite on black mottramite on one side. Orange wulfenite and yellow mimetite on the other. Greenish-striped crystals of adamite? Ex Scott Braley. Width of view 6mm. Stack of 90 images (wulfenite), 64 images (vanadinite) and 65 (mimetite). Click on the images below for a higher resolution version.
ncat SE SB16140 Vanadinite, Mottramite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Red vanadinite crystals grading to yellow, on black mottramite. Ex Scott Braley. Width of view 6mm. Stack of 65 images. Click on the image below for a higher resolution version.
ncat SE SB16156 Wulfenite, Vanadinite, Mottramite, Fluorite, Mimetite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Orange and yellow wulfenite crystals with red vanadinite, deep brown to black mottramite, pale yellow mimetite, and tiny purple fluorites. The larger wulfenite crystals are orange, and there is some zoning evident. Ex Scott Braley. First photo: Width of view 6mm. Stack of 70 images. Second photo: Width of view...
SE SB16512 Calcite, Mimetite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA
Colourless/white rhombohedral calcite crystals with club-shaped yellow mimetite. Ex Scott Braley. Width of view 6mm. Stack of 120 images. Click on the image below for a higher resolution version.
ncat MAR01 M825 Gmelinite, Tacharanite, Phillipsite, North John Day River, Grant Co., Oregon, USA
White/colourless twinned zoned gmelinite on a bed of phillipsite. White flowery tacharanite bottom right. Width of view 6mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat AA4 Gmelinite, Pyrite, Laurel Hill (Snake Hill; Penitentiary Quarry), Secaucus, Hudson Co., New Jersey, USA
Sharp hexagonal gmelinite with minor pyrite. Ex Jim Daly. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat RAM4 CW11 Nontronite, Celadonite, Wolf Creek Pass, Archuleta County, Colorado, USA
Brown platy/scaly crystals of nontronite in vughs lined with green celadonite. Width of view 6mm. Stack of 80 images. Click on the image below for a higher resolution version.
20129 VHD1 Millerite, Chalcopyrite, Halls Gap, Lincoln County, Kentucky, USA
Fine hair-like millerite with a chalcopyrite crystal. Width of view 9mm. Stack of 150 images. Click on the image below for a higher resolution version.
ncat RAM4 CW38 5123 Realgar, Stibnite, Orpiment, Sulphur, Quartz, Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
Red realgar with orange orpiment, silver stibnite, pale yellow sulphur, tiny colourless quartz crystals, and some unknowns. Ex Charles Willett Collection. Width of view 6mm. Stack of 100 images. Click on the image below for a higher resolution version.
ncat RAM4 CW63 Wavellite (or Fluorwavellite), Variscite, Wood Mine, Del Rio Mining District, Cocke County, Tennessee, USA
Colourless-white radiating sprays of wavellite (or fluorwavellite) with pale pink (ferrian) variscite crystals. The paper describing fluorwavellite states that all specimens analysed were fluorwavellite, but that does not guarantee that wavellite doesn’t occur. Without analysis, you just don’t know as both species are visually indistinguishable. Ex Charles Willett Collection. Joint...
ncat RAM4 CW62 4841 Vivianite, Wheeler Road, Oxon Hill, Prince Georges County, Maryland, USA
Dark blue vivianite crystals in cavities in a nodule, with the matrix showing cracks due to dehydration. Ex Charles Willett Collection. Width of view 6mm. Stack of 75 images. Click on the image below for a higher resolution version.
ncat RAM4 CW49 8538, Spessartine, Quartz, Ruby Mountain, Nathrop, Chaffee County, Colorado, USA
Well-formed orange crystals on colourless quartz crystals. The matrix fluoresces pink under shortwave ultraviolet light. Ex Charles Willett Collection. Width of view 6mm. Stack of 95 images. Click on the image below for a higher resolution version.
1928 Spessartine, Ruby Mountain, Nathrop, Chaffee County, Colorado, USA
A single dark red spessartine. Ex Mark Hallam Collection. Probably collected by Ted Johnson. Width of view 6mm. Stack of 65 images. Click on the image below for a higher resolution version.
2677 Vanadinite, Upper Level, Gray Horse Mine, Dripping Spring Mountains, Gila Co., Arizona, USA
Red hexagonal prisms of vanadinite. One crystal shows two interesting features. One is that it is partly hollow. The other is that only three adjacent sides of the hexagon have prism faces. The other three sides join up with the pinacoid on the top of the crystal. There is botryoidal...
ncat JP1758 Descloizite, Vanadinite, Grey Horse Mine, Riverside, Riverside District, Dripping Spring Mts, Pinal Co., Arizona, USA
Dark brown descloizite on a bed of orange vanadinite. Lustrous yellow hexagonal vanadinite (or possibly mimetite?) in a small vugh on the side. Ex Jo Price Collection. Descloizite photo: Width of view 6mm. Stack of 90 images. Yellow vanadinite photo: Width of view 3mm. Stack of 35 images. Click on...
ncat JP1695 Vanadinite, Descloizite, Mimetite, Grey Horse Mine, Riverside, Riverside District, Dripping Spring Mts, Pinal Co., Arizona, USA
Orange colour-zoned hexagonal vanadinite with brown to greenish-black descloizite, and tiny white needles of mimetite. The vanadinite is interesting, with some hollow crystals, and others that look like they have been etched away or resorbed. The latter occurs almost exclusively on the descloizite. Ex Jo Price Collection. Width of view...
ncat TI Descloizite, Calcite, Grey Horse Mine, Riverside, Riverside Mining District, Dripping Spring Mountains, Pinal Co., Arizona, USA
Colourless calcite crystals that fluoresce pale pink under shortwave UV, with dark brown descloizite crystals. An interesting specimen. There appears to be multiple generations of calcite. The “Mercedes” faces are obviously a later addition, and there is zoning apparent in the fluorescence. White light photo: Width of view 6mm, stack...
ncat SMLN Celestite, Clay Center, Allen Township, Ottawa County, Ohio, USA
Three colours of celestite. Blue-grey main crystals with white fibrous-like outer surface, and small colourless crystals attached. Width of view 9mm. Stack of 65 images. Click on the image below for a higher resolution version.
1035 Celestite, White Rock Quarry, Clay Center, Allen Township, Ottawa County, Ohio, USA
Colourless crystals of celestite. Predates Stoneco (1995) so just “White Rock Quarry”. Acquired from Ian Graham in 1993. Collected by an unknown person some time before that. Width of view 9mm. Stack of 65 images. Click on the image below for a higher resolution version. Below: Original labels.
ncat VHD4 Kernite, Western Borax Mine, Boron, Kern Co., California, USA
Probably a cleavage piece of kernite. The specimen measures 44x18x5mm.
7281 JL3356 Kurnakovite, Boron, Kern Co., California, USA
A pale brownish transparent crystal of kurnakovite with a white surface alteration to tincalconite? Ex Joan Lamond Collection. Acquired by Joan in 1999 from Peter Elliott. Width of view 9mm. Stack of 50 images. Click on the image below for a higher resolution version.
ncat VHD3, Erionite, Levyne, Adel, Lake Co., Oregon, USA
Silky erionite growing epitaxially on levyne. Width of view 6mm. Stack of 55 images. Click on the image below for a higher resolution version.
5586 Schrockingerite, Rabbittite, Hideout Mine (Hideout No. 1 Mine), Deer Flat, White Canyon, White Canyon District, San Juan Co., Utah, USA
White acicular rabbittite with green platy aggregates of schröckingerite that is highly fluorescent. Ex Al Wilkins. Width of view 6mm. Stack of 45 images. Click on the image below for a higher resolution version.
5594 Johannite, Chalcanthite, Hideout Mine (Hideout No. 1 Mine), Deer Flat, White Canyon, White Canyon District, San Juan Co., Utah, USA
Yellow johannite on green unknown (more crystalline and bright fluorescence), and blue chalcanthite. Ex Al Wilkins. Width of view 6mm. Stack of 35 images. Click on the image below for a higher resolution version.
5589 Bayleyite, Calcite, Gypsum, Hideout Mine (Hideout No. 1 Mine), Deer Flat, White Canyon, White Canyon District, San Juan Co., Utah, USA
Tiny creamy-white radial sprays of bayleyite with calcite, gypsum, and unidentified copper and uranium species. Ex Al Wilkins. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
5590 Bayleyite, Almandine, Hideout Mine (Hideout No. 1 Mine), Deer Flat, White Canyon, White Canyon District, San Juan Co., Utah, USA
Ex Al Wilkins. Labelled simply bayleyite but I can’t find any distinct material. Some of the matrix is made up of garnet crystals, the garnet from here being almandine. So I can put that on the label. But then it gets harder. There are at least three or four other...
1487 Cerussite, Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa Mining District, Graham County, Arizona, USA
Reticulated sixling cerussite. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
4985 Fornacite, Wulfenite, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Olive-green fornacite with orange-red wulfenite. Ex Al Wilkins. Width of view 6mm. Stack of 42 images. Click on the image below for a higher resolution version.
ncat JP3245 Perite, Hemimorphite, Chlorargyrite, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Yellow scales of perite with a radiating group of colourless hemimorphite crystals. Olive green crystal of chlorargyrite not in photo. Ex Jo Price Collection. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
0371 Epistilbite, Scolecite, Kailua, Oahu Island, Honolulu Co., Hawaii, USA
Typical epistilbite habit on crystals in one cavity, with smaller crystals associated with prismatic scolecite (not in photo) in another. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
ncat NHFL M531 Beryl, Ruby Violet claims (Wah Wah Mountains), Beaver County, Utah, USA
Red Beryl. Ex Bernie Day Collection. Width of view 9mm. Stack of 24 images. Click on the image below for a higher resolution version.
ncat JR3 Benitoite, Neptunite, California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Two joined benitoite crystals (I hesitate to say twinned as I don’t know what sorts of twins can occur), shown in normal, longwave ultraviolet (red), and shortwave ultraviolet (blue). It is really interesting how different the surface textures look under each light source. Width of view 14.5mm. Click on the...
1709 Benitoite, California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Dark blue benitoite, shown in white light, under longwave UV with a red fluorescence, and shortwave UV with a blue fluorescence. Width of view 12mm. Click on the images below for a higher resolution version.
ncat JLMAR01 JL1691 Hewettite, Variscite, Gold Quarry Mine, Maggie Creek Mining Subdistrict, Carlin Trend, Eureka Co., Nevada, USA
Reddish-brown fibres of hewettite with bubbly grey variscite balls and unknown lime green mineral (vésigniéite? maybe). Ex Joan Lamond Collection. Width of view 7.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat BDUK M1775 Cobaltite, Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA
Dark grey pseudocubic crystal embedded in matrix. Ex Bernie Day Collection. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat RAM4 1295 Calcite, Pyrite, Gray Quarry, Gray, Sullivan Co., Tennessee, USA
Small pyrite crystals on calcite crystals. Ex Charles Willett Collection. Width of view 9mm. Stack of 65 images. Allegedly, a dead tree once stood over this quarry with the inscription “D. Boon (Daniel Boone) Cilled A Bar on the tree in year 1760”, although an internet search places the sign...
ncat VIN Wardite, Clay Canyon, Fairfield, Sunshine Mining District, Utah County, Utah, USA
Green and bluish-green wardite in yellow crandallite with white crandallite and pale pinkish crandallite. Type Locality for wardite. Vintage micromount collected and mounted by John Melhase in 1935. Ex John Malhase. Ex California Academy of Science. Ex Steve Pullman. Width of view 5mm. Stack of 30 images. Click on the...
ncat Gypsum, Guntown, Mississippi, USA
A cluster of pinkish gypsum crystals.
ncat TP D28-25 Manganbabingtonite, Vulcan Quarry, Pacolel, Spartanburg Co., South Carolina, USA
Lustrous black crystals. Ex Ed and Martha Cunningham Collection.
2289 Mixite, Adamite (Cuprian), Simon Mine (Nevada Mine), Bell Mining District, Mineral County, Nevada, USA
Labelled as mixite and cuprian adamite. Is it mixite or agardite? Cuprian adamite or zincolivenite? Mindat lists all. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
2678 Vanadinite, Descloizite, Calcite, Upper Level, Grey Horse Mine, Riverside, Riverside Mining District, Pinal County, Arizona, USA
Image showing the termination of one of the vanadinite crystals. Width of view 3.5mm. Stack of 51 images. Click on the image below for a higher resolution version.
5178 JL0333 Gold, Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA
Ex Joan Lamond Collection. Acquired by Joan from Harold Gallasch of Hahndorf, South Australia in 1995 for $15. Width of view 9mm. Stack of 50 images. Click on the image below for a higher resolution version.
0383 Iranite, Evening Star Mine, Tiger Wash, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA
Dark brown crystals of iranite. Width of view 5.75mm. Stack of 38 images. Click on the image below for a higher resolution version.
2290 Scheelite, Quartz, Ophir Hill Consolidated Mine, Ophir, Ophir Mining District, Tooele County, Utah, USA
Yellow crystals of scheelite on quartz. The scheelite fluoresces bluish-white under shortwave UV. Minor sulphides also present. Width of view 11.5mm. Stack of 25 images (white light), and 31 images (Shortwave UV). Click on the images below for a higher resolution version.
ncat JP1547, Scheelite, Quartz, Ophir Hill Consolidated Mine (Montana Mine; Ophir Coalition Mine), Ophir, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Yellow crystals of scheelite on quartz. Ex Jo Price Collection. Width of view 11.5mm. Stack of 110 images. Click on the image below for a higher resolution version.
ncat MAR05 Magnesiopascoite, Burro Mine, Slick Rock Mining District, San Miguel County, Colorado, USA
Stacked plates of orange magnesiopascoite crystals. Ex Al Wilkins. Width of view 11.5mm. Stack of 87 images. Click on the image below for a higher resolution version.
1283 Perovskite, Andradite, Chlorite, Actinolite, Perovskite Peak, San Benito Peak, San Benito Co., California, USA
Three stepped black perovskite crystals with brown centres, and smaller black melanite andradite garnets. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
ncat OW307 Rhodochrosite, Quartz, Tetrahedrite, Pyrite, Corner Pocket, Watercourse Rise, Watercourse Extension Drift, Sweet Home Mine, Alma District, Park Co., Colorado, USA
Collected September 1994. Pink rhombs of rhodochrosite with a couple of quartz crystals and a group of small pyrite crystals, all on a cluster of tetrahedrite crystals. Width of the specimen 18mm. Stack of 65 images. Click on the image below for a higher resolution version.
ncat JP1096 Dioptase, Christmas Mine, Christmas, Banner Mining District, Gila County, Arizona, USA
A tough one to photograph! Green prismatic crystals of dioptase from this classic locality. Ex Jo Price Collection, Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
3654 Weeksite, Opal, Autunite No 8 Claim, Thomas Mountains, Juab Co, Utah, USA
There are two distinct species here based on the fluorescence response. Pale yellow fibrous sprays of weeksite that look like they fluoresce yellow, but are just reflecting the surrounding opal that fluoresce strongly. Width of view 11.5mm. Stack of 40 images (white light) and 10 images (UV). Use the slider...
0582 Neptunite, Dallas gem mine, San Benito Co., California, USA
A single black crystal with a hint of internal red fire. Width of view 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
2485 Sylvite, Esterhazy Soak, New York, USA
Locality not listed in Mindat, nor can I find any other reference to it. Single sylvite crystal without matrix. Sheila Harper found this reference so that might help a bit. Width of view 11.5mm. Stack of 95 images. Click on the image below for a higher resolution version.
2913 Pyrite, Barite, Fluorite, Nakaye mine (Alamo mine), Derry District, Sierra County, New Mexico, USA
Tiny pyrite crystals on the face of a barite crystal, with dark purple fluorite associated. The barite is said to be coloured because of pyrite inclusions, but that even under a microscope, crystals can’t be seen. Except in this case you can see them. Width of view 5.75mm. Stack of...
2902 Gypsum, Nakaye mine (Alamo mine), Derry District, Sierra County, New Mexico, USA
A small piece of gypsum collected at the same time as specimens of barite, calcite and fluorite. Width of view 11.5mm. Stack of 66 images. Click on the image below for a higher resolution version.
5808 A2985 6666m Fluorite, Quartz, Pine Canyon deposit, West Burro Mountains, Burro Mountains Mining District, Grant County, New Mexico, USA
Blue fluorescent purple octahedral crystals on quartz. Ex Art Smith Collection. Ex Carl Stazak. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
5807 A2983 672marps Fluorite, Siderite, Pyrite, K Feldspar, Albite, Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
Octahedral fluorite colourless through to a fracture, then pale purple-grey over the rest of the crystal. Blue fluorescence. Hemisphere of brown siderite(?), rounded pyrite, and colourless albite, all on pinkish-tan K feldspar. Ex Art Smith Collection. Acquired by Art from Al Kidwell in 1990. Width of view 11.5mm. Stack of...
5806 A2964 680marps Fluorite, Pyrophanite, Aegirine (Acmite), Albite, Holiday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Purple fluorite cluster and isolated crystals with green needles of aegirine, brown pseudohexagonal pyrophanite, and colourless albite crystals, all in a white albite matrix. Ex Art Smith Collection (collected in 1986). Width of view 8.63mm. Stack of 50 images. Click on the image below for a higher resolution version.
5805 A2980 523marps Fluorite, Chlorite, Magnetite, Albite, Pyrophanite, Natrolite(?), Big Rock Quarry (3M Quarry), Little Rock, Pulaski County, Arkansas, USA
Tiny purple octahedral fluorite crystalson albite with greenish chlorite, white prismatic crystals of natrolite(?), colourless quartz, and brown pyrophanite. Also on specimen magnetite, Ex Art Smith Collection (collected in 1979). Width of view 11.5mm. Stack of 57 images. Click on the image below for a higher resolution version. When I...
ncat JP345 Montgomeryite, Whitlockite, Fluorapatite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA
Colourless rhombs of whitlockite on orange bladed montgomeryite, it partially coated by white balls of fluorapatite. Ex Jo Price Collection. Ex Jack Nelson Collection. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat JP340 Whitlockite, Childrenite-Eosphorite, Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA
Transparent tan-coloured rhombohedral crystals of whitlockite with prismatic crystals of childrenite? Ex Jo Price Collection. Width of view 5.75mm. Stack of 100 images. Edit: May be eosphorite rather than childrenite (or somewhere in the series). Click on the image below for a higher resolution version.
ncat JP355, Bermanite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA
Red-brown to blackish crystals. Ex Jo Price Collection. Ex Jack Nelson Collection. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat JP882, Strengite, Indian Mountain, Cherokee Co., Alabama, USA
Sharp pale lilac crystals. Ex Jo Price Collection. Width of view 11.5mm. Stack of 180 images. Click on the image below for a higher resolution version.
5673 Elbaite, Stewart Mine, Tourmaline Queen Mountain, Pala, Pala Mining District, San Diego County, California, USA
Single green terminated crystal 13mm long. Click on the image below for a higher resolution version.