A spherical colourless fluorite that fluoresces purple-blue under longwave UV. Orange fluorescence is likely sodalite. Ex Münchener Micromounters. Width of view 6mm. Stack of 40 images (UV) and 60 images (white light). Click on the...
The faint brownish to colour at the centre of the fluorite explodes like a supernova when hit with a UV torch! It also has inclusions, possibly pyrite or some other sulphide. But it is the...
Dark green to black hastingsite with purple fluorite and calcite that fluoresces orange. Width of view 6.5mm. Stack of 20 images. Click on the image below for a higher resolution version.
A single blocky orange crystal of wulfenite with pale yellow mimetite and colourless fluorite crystals on a bed of quartz. Width of view 3.5mm. Stack of 75 images. Click on the image below for a...
Pale fluorite over earlier darker fluorite with iron stained quartz crystals. Width of view 5.5mm. Stack of 92 images. Click on the image below for a higher resolution version.
Purple cubes, one with what looks like it had tried to start an octahedral crystal. Ex Jo Price Collection. Width of view 3.5mm. Stack of 33 images. Click on the image below for a higher...
There are things to see here. Purple cubes with darker purple edges. Interesting growth structures on faces and edges. A rainbow. A nice fluorescence under longwave ultraviolet. And even though you think you only see...
A mass of silver needles of franckeite with black sphalerite, purple fluorite, tan magnesite, and not in photo, pyrite. Width of view 17.25mm. Stack of 50 images. Click on the image below for a higher...
A mass of silver needles of franckeite with a little purple fluorite and tan magnesite. Specimen measures 55x40x20mm. Click on the image below for a higher resolution version.
A vein of purple fluorite in matrix. Ex Val Hannah Collection. Ex Ruth Coulsell Collection. Specimen measures 28x22x25mm. Click on the image below for a higher resolution version.
Tiny purple crystals of fluorite embedded in matrix. Ex Joan Lamond Collection. Collected by Joan in 1997. Width of view 5.75mm. Stack of 55 images. Click on the image below for a higher resolution version.
Silver metallic bismuthinite on green fluorite that fluoresces under longwave UV. Specimen measures 13x15x7mm. Click on the images below for a higher resolution version.
Dark purple, almost black botryoidal fluorite. Specimen measures 20x18x8mm. Stack of 40 images. Click on the image below for a higher resolution version.
Pale green fluorite with a darker core, preferentially coated with drusy quartz crystals. The pale green fluorite fluoresces more strongly than the darker core. Specimen measures 46x30x14mm. Click on the image below for a higher...
Tiny colourless fluorite crystals with red minium in a void that would have originally been a galena crystal. Also present, colourless to white acicular (calcium-rich?) pyromorphite crystals. Width of view 11.5mm. Stack of 100 images....
A small ore specimen comprising purple fluorite (fluorescent), chalcopyrite, and small amounts of galena and sphalerite. Specimen measures 22x20x20mm. Stack of 50 images. Click on the image below for a higher resolution version.
Lots of colourless fluorite crystals that fluoresce pink, on a solid fluorite matrix that fluoresces blue. Ex Jo Price Collection. Width of view 11.5mm. Stack of 90 images. Click on the image below for a...
Cube-octahedral galena crystals on and in colourless to slightly hint of green cubes of fluorite. Ex Jo Price Collection. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher...
Hackly silver-rich gold in fluorite. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Hackly silver-rich gold in mostly grey fluorite with a hint of purple. Width of view 17.25mm. Stack of 100 images. Click on the image below for a higher resolution version.
Colourless fluorite cubes that fluoresce blue under longwave ultraviolet, partially coated with siderite. Tiny pyrite crystals also present. Width of view 11.5mm. Click on the images below for a higher resolution version.
A bit of layering here. The bottom layer is quartz crystals, and they are completely covered in goethite. Next is white dickite. On top of the dickite are colourless-grey fluorite cubes (not fluorescent). These in...
A cluster of rounded fluorite crystals with blue to yellow zoning. Fluorescent under longwave ultraviolet, but not strongly so. A hint of green fluorescence in patches under shortwave ultraviolet. Ex Val Hannah Collection. Specimen is...
Lots of chalcopyrite crystals on small purple cubes of fluorite and red-fluorescing double-terminated calcite crystals. A few small yellow barite crystals also present. Even smaller pyrite crystals are sprinkled on the barite, and to a...
Light purple over some green fluorite octahedral crystals to 10mm with quartz. The green fluorite exhibits blue fluorescence under longwave ultraviolet, but not the purple fluorite. Specimen measures 59mm wide. Click on the image below...
Dark purple over green fluorite octahedral crystals to 8mm with quartz. The green fluorite exhibits blue fluorescence under longwave ultraviolet, but not the purple fluorite. Specimen measures 53mm wide. Click on the image below for...
Dark purple fluorite octahedral crystals to 25mm with iron-stained quartz. The fluorite exhibits blue fluorescence under longwave ultraviolet. Specimen measures 52mm wide. Click on the image below for a higher resolution version.
Dark purple fluorite octahedral crystals to 20mm with iron-stained quartz. The fluorite exhibits patchy blue fluorescence under longwave ultraviolet. Specimen measures 50mm wide. Click on the image below for a higher resolution version.
Light purple cubes of fluorite do not fluoresce under longwave UV, but do fluoresce green under shortwave UV. Calcite is best seen under longwave UV as red patches. Balls of opal fluoresce pale green under...
A small crystal lined agate geode with purple fluorite octahedra with a pale blue-grey surface on amethystine quartz. The fluorite does not fluoresce. Also present, golden sprays of goethite. Ex Joan Lamond Collection. Acquired by...
Purple fluorite crystals in a small cavity adjacent to smoky quartz. Width of view 5.75mm. Stack of 110 images. Click on the image below for a higher resolution version.
Colourless cubes with a white core of fluorite crystals that glow green under shortwave ultraviolet light. Judging by the colour, it is likely that the fluorescence is due to uranyl ions. A small amount of...
Ex Joan Lamond Collection. Acquired by Joan in 1996. Ex Museum Victoria. Width of view 11.5mm. Photos are white light, longwave ultraviolet and shortwave ultraviolet. Sellaite is cream to white and glows greenish under longwave,...
Given the name “Lost City of Bischoff” when I first found it, this is one side of a ferroan magnesite crystal that had grown up against stepped fluorite that is no longer there. The core...
A lot happening on this specimen. In the white light photo, you can see tabular pale blue hexagonal fluorapatite crystals with muscovite mica, and brown areas appear to be goethite coating cassiterite. In the longwave...
Click on the image below for a higher resolution version. Individual images: White Light… Longwave UV… Shortwave UV…
Lustrous cassiterite crystals and luinaite on and in quartz. Tiny rosettes of tan siderite on the cassiterite. Ex Mark Hallam Collection. Width of view 11.5mm. Stack of 110 images. Click on the image below for...
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...
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.
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...
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....
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...
Yellow hemimorphite crystals on colourless cubes of fluorite. The yellow is likely due to iron staining. Ex Art Smith Collection. Ex Nick Peters (UK). Width of view 8.63mm. Stack of 70 images. Click on the...
A single colourless fluorite (fluoresces) on quartz, with a quartz crystal on one face. Ex Art Smith Collection. Ex N. Peters. Width of view 11.5mm. Stack of 65 images (white light) and 11 (UV). Click...
Purple fluorite tabular crystals (one axis is shorter than the other two) with very tiny modifications on the corners (modified by the trapezohedron). Colourless to greyish white dolomite crystals (matrix is a dolostone). Tiny pyrite...
Dickite as tiny white tabular crystals on boulangerite and coating fluorite, with tan magnesite. Ex Margaret Brown Collection. Width of view 11.5mm. Stack of 90 images. Click on the image below for a higher resolution...
Colourless radiating prismatic crystals of danburite with green clinozoisite. Minor purple fluorite visible too. Ex Joan Lamond Collection. Collected by Joan in 1997. Width of view 8.63mm. Stack of 80 images. Click on the image...
Red danalite with some crystal faces, frozen in matrix with magnetite and fluorite. Specimen measures 62x46x40mm. Click on the image below for a higher resolution version.
Purple cubes with small trisoctahedron(?) modified corners, and some curved edges. Some crystals are also contacted showing lighter colour towards the centre of the crystals. The fluorite fluoresces a bluish-purple, and the white kaolinite has...
Purple octahedral fluorite inclusions in quartz. Width of view 5mm. Stack of 80 photos. Ex Jo Price Collection. Click on the image below for a higher resolution version.
Colourless but iron-stained fluorite crystals. Fluorescent blue under longwave UV. Width of view 11.5mm. Stack of 40 images (white light) and 30 images (UV). Use the slider to see specimen under white light and longwave...
Tiny smithsonite crystals on interpenetrant fluorite and bladed barite crystals, on quartz. Acquired from Philip Grounds, Bay Minerals, in 2012. Width of view 5mm. Stack of 70 images. Click on the image below for a...
Specimen acquired in the micromount room at the Tucson Show. Ex Bob Jenkins. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Cluster of pink octahedral crystals, pale blue fluorescence. Ex Roger Colling Collection.
A lot of collectors like fluorite. Whether it be for the isometric (cubic) symmetry (for those that might be a little obsessive-compulsive 😁), the range of colours and zoning, the fluorescence, or for other reasons....
Thin colourless blades of bavenite with colourless fluorite on ferroan magnesite. Width of view 3.5mm. Stack of 45 images. VHD12. Click on the image below for a higher resolution version.
Tiny thin colourless blades of bavenite with colourless fluorite on oxidised Fe bearing magnesite. Width of view 1.75mm, stack of 40 images (first photo) and width of view 3.5mm and stack of 70 images (second...
Acquired by Joan Lamond from Harry Critchley in 1998. Width of View 4mm.
Colourless cubes of fluorite with thin purple edges, colourless fluorite with hematite inclusions/staining, purple cubes, yellow tabular wulfenite, minor white barite. Specimen is 50x36x30mm. Second image is under shortwave ultraviolet light.
Purple cubes with small modified edges with tiny brassy marcasite crystals. Some of the matrix is vein calcite that fluoresces bright red. Width of view 9mm. Stack of 130 images.
Wedge-shaped reddish-brown rhodochrosite on and with natrolite, colourless tiny cubes of fluorite with small octahedral corners on thin acicular aegirine(?) (see first crop). Unidentified white platy crystals (see second crop). Width of view 7.5mm. Stack...
Small glassy micro fluorite crystals to less than 2mm on an ironstone matrix. From a large hushed working within the Pike Law area. Collected in 1990’s. Fluoresces strongly. Width 18.5mm. Stack of 160 images. Fluorescent...
Group of deep purple fluorite cubes with octahedral faces, with white calcite that fluoresces red. Width 9mm. Stack of 60 images. Ex Val Hannah Collection.
A single purple octahedral crystal of fluorite (fluorescent) with golden sprays of goethite on quartz. Width 9mm. Stack of 110 images. Ex Jo Price Collection.
Tiny purple octahedral fluorite crystals with green epidote and colourless albite. Width 5mm.
Terminated crystals of blue beryl with colourless crystals of sellaite and quartz. Fluorite was picked up by fluorescence under longwave ultraviolet. A yellow-orange fluorescence may be non-crystalline sellaite. In the fluorescent photos, there are also...
Often, Rogerley specimens are larger with bigger crystals. But this one is cute. And of course, fluorescent. Video best viewed full screen.
Tiny white calcite on yellowish calcite, chalcopyrite partially covered by sphalerite, and quartz and colourless fluorite. Video best viewed full screen.
Fluorite is white, only picked up under longwave UV. Tiny scalenohedral calcite crystals. Ex Barry Johnson Collection. Video best viewed full screen.
Pale yellow fluorite cubes, blue under longwave UV, with siderite on and in. Ex Barry Johnson Collection. Video best viewed full screen.
Green fluorite with purple edges. The green is fluorescent but not the purple. Pale blue prismatic aqua. With the spate of fakes coming out of the region, I have examined this specimen very closely. It...
Sharp octahedral grey crystals of alabandite in a matrix of fluorite and calcite, both of which fluoresce (blue and pink respectively).
Gemmy rich emerald-green fluorite octahedrons, to 15mm on edge, cover the matrix plate 75x70x25mm. This colourful two-generation fluorite is from a small 2016 find near Yiwu City, a very obscure locality in Zhejiang Province, China....
Pale green octahedral fluorite. Ex Bernie Day Collection. Width of view 3mm. Click on the image below for a higher resolution version.
“Antozonite” – Anzeme Mine, Gueret, Creuse, France. Advice on locality from Jean-francois Brochard
ebay bayminerals_2012. Bay Minerals. Philip Grounds, Morecambe, Lancashire, England
ebay bayminerals_2012. Bay Minerals. Philip Grounds, Morecambe, Lancashire, England
ebay bayminerals_2012. Bay Minerals. Philip Grounds, Morecambe, Lancashire, England
ebay bayminerals_2012. Bay Minerals. Philip Grounds, Morecambe, Lancashire, England
ebay bayminerals_2012. Bay Minerals. Philip Grounds, Morecambe, Lancashire, England
Blue John, Richard Bell
Pinkish raspite (single crystal), cream chamosite balls, prismatic arsenopyrite, including some partial trillings, colourless fluorite, well-formed chalcopyrite crystals and colourless quartz crystals. Ex Wolfgang Henkel.
ex Bernie and Margaret Day Collection
ex Bernie and Margaret Day Collection
Purple zoning around the edges of the fluorite cubes, cream-coloured barite. Ex John Chivers.
Translucent blue-green fluorite crystals on matrix. The fluorite crystals are cubic form with dodecahedral (110) edge faces that are opaque white.
Purple cubes of fluorite on double quartz crystals. 57x35x22mm. #500640.
Two bluish green topaz crystals on a quartz matrix. Minor arsenopyrite, muscovite and purple fluorite. 45x45x30mm. #520679.
Purple octahedral fluorite. Tan coloured pancaked” feldspar?”
Collected by Andrew Tuma 2006
Collected by Andrew Tuma 2006
ex Jack Leach Collection
Diederik Visser 3/2005
Cederick Gineste 2/2005
Light green fluorite octahedrons are featured here partially blanketed with white druzy quartz. The faces of the fluorite has medium luster. The piece measures 1 1/2″ wide by3 3/8″ tall by 1 1/2″ front to...
Lustrous white translucent barite crystals growing on minor calcite from one of the classic old English lead mines. The barite crystals on this piece reach 1.5 cm in maximum length and fluoresce a nice cream-white...
A bright specimen of fluorite with stair-stepped formation. It has very nice dark orchid purple colour. The crystals are translucent with dark phantoms inside. Ex Mike Knew Collection. Mike Knew is the owner of Top...
Intense blue fluorite cubes on massive brown hematite with tiny colourless quartz crystals in cavities in the hematite
JL1376. Geoff Randall $5
JL0337. Arthur Roffey $12
ex Joan Lamond Collection, ex Harry Critchley.
Labelled as aragonite – is likely calcite. ex Harry Critchley. ex Joan Lamond Collection
Multiple fluorescent colours. Can’t see hemimorphite
Greenish tourmaline, could be dravite.
Purple fluorite crystals on quartz
More likely pyrite
Composed of honey yellow cubic fluorite crystals with inky blue color zone exterior edge phantoms. The specimen comes from the High Skears Mine, Middleton-in-Teesdale, Middleton, North Pennines, County Durham, England, UK. It measures 6.5×5.0×2.8cm in...
Received in mail-trades in the 1980s with Jocelyn Thornton (New Zealand).
As green octahedral crystals. Received in mail-trades in the 1980s with Jocelyn Thornton (New Zealand).
