Specimen has some beginning signs of “pyrite disease”. Apart from the pyrite and marcasite, there are a few small crystals of spessartine and fluorapatite. Ex James Melville Collection. Width of view 10mm. Stack of 30 images. Click on the image below for a higher resolution version.
Purple fluorite cubes with tiny pyrite, some elongated, on white quartz. Ex Bernie Day Collection. Width of view 6mm. Stack of 89 images. Click on the image below for a higher resolution version.
Stibnite as small veins frozen in quartz with a couple of small pyrite crystals. Width of view 3mm. Stack of 55 images. Click on the image below for a higher resolution version.
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...
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.
Photo shows a white crystal of laumontite on calcite crystals. Width of view 6mm. Stack of 65 images. Click on the image below for a higher resolution version.
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.
Pale pink gmelinite with colourless to white stilbite on a thin layer of lustrous pyrite. Width of view 6mm. Stack of 60 images. Click on the image below for a higher resolution version.
Originally labelled as gmelinite, but looks much more like re-entrant chabazite twins. Chabazite is the only zeolite mentioned from the location too. Interesting surface features and reflections. There are tiny pyrite crystal included. Ex Ian Graham. Width of view 6mm. Stack of 70 images. Click on the image below for...
Dark grey hexagonal gmelinite crystal with pyrite inclusions, pale tan siderite, red fluorescing calcite, and pyrite. Ex Jo Price Collection. Width of view 6mm. Stack of 55 images. Click on the image below for a higher resolution version.
Cream kutnohorite with pyrite on a quartz matrix. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
Groups of typical kutnohorite with quartz and a little pyrite, all on a matrix of pale pink fluorescent manganoan calcite. Specimen measures 60x40x20mm.
Quartz crystals and a couple of fluorescent red calcite crystals on a spray of kutnohorite. There are pyrite crystals included in the quartz, as well as on the quartz and on the kutnohorite, some of which are oxidised. Ex Bernie Day Collection. Width of view 9mm. Stack of 60 images....
Pale crystals of kutnohorite on quartz with pyrite, all on a bed of fluorescent Mn-calcite. Specimen measures 4×5.5cm. Ex W.F. Davidson Collection. Ex Ralph Merrill Collection. Close up photo: Width of view 6mm. Stack of 45 images. Click on the image below for a higher resolution version.
Orange prismatic eosphorite crystals. Green crystal aggregates possibly (probably?) zanazziite not roscherite as labelled. Small pyrite crystals also present. Unidentified colourless-white crystal clusters probably albite? Ex Jo Price Collection. Ex Jack Nelson Collection. Width of view 9mm and stack of 56 images (first photo), 4.5mm and 28 images (second photo),...
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...
Orange pseudocubic svanbergite with a pyritohedron pyrite crystal (altering to goethite) on white dolomite. Ex Ray Hill 7/2007. Width of view 5mm. Stack of 60 images. Click on the image below for a higher resolution version.
May be bettertonite/penberthycroftite rather than liskeardite. Acquired by Joan Lamond from Harry Critchley in 1998. Width of view 5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Filiform pyrite with a few right angle bends. Also present is a brown chlorite(?). Both sit on two generations of calcite crystals, the first colourless, the second golden. Ex Brent Torrens. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
A radial cluster of pyrite crystals that have grown in a tight area. Ex Joan Lamond Collection. Width of view 8mm. Stack of 40 images. Click on the image below for a higher resolution version.
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 resolution version.
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.
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.
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 lesser extent, on fluorite and calcite crystals. Width of view 17.25mm. Click on the image...
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...
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...
Location in Japanese 栃木県塩谷郡塩谷町天上沢鉱山
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 crystals on fluorite. Ex Noel and Ann Kennon Collection #F48. Acquired from Pete Richards in...
A green epidote crystal impaled on pyrite, all on dark brown andradite garnet. Presumably, the epidote interrupted the growth of the pyrite. Width of view 5.75mm. Stack of 110 images. Click on the image below for a higher resolution version.
Colourless twinned epididymite with cream hemispheres of franconite(?), with tiny silver pseudohexagonal muscovite, and tiny pyrite crystals, minor albite, all on analcime. There is also a prismatic hexagonal crystal of epididymite pointing down to the bottom left just below the yellow arrow. Ex Noel and Ann Kennon Collection. Ex Jean...
Colourless quartz with yellow dolomite and minor pyrite. Specimen measures 28x33x10mm.
Rhombohedral dolomite with oxidised pyrite. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Fluorescent red calcite and a pyrite ring.
As well as the linarite and hemimorphite, there are minor amounts of aurichalcite, brochantite, pyrite, galena, and some skarn minerals present. Collected by Gerry Morvell and acquired from Gerry by Margaret Brown in 1995. Width of view 11.5mm. Stack of 83 images. Click on the image below for a higher...
A tiny ball of dark blue covellite crystals, probably covering a chalcopyrite crystal, with prismatic brown dravite, and a vein of pyrite and chalcopyrite in quartz. Ex Bernie and Margaret Day Collection. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny pyrite crystals part altered to goethite on calcite. There are two generations of calcite. The earlier one fluoresces red, and the later fluoresces white. There is a sharp delineation between the two. Ex Jo Price Collection. Width of view 5.75mm. Stack of 45 images. Click on the image below...
Triangular brown helvite crystals with associated pyrite, previously in the Brian Shelton collection. Acquired from Cyril Kovac at the 2013 Waverley Show. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Pyrite on and in calcite on a bed of stellerite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Single crystal of bornite pseudomorphing pyrite. Width of crystal 15mm. Click on the image below for a higher resolution version.
Calcite and pyrite are two very common minerals, but true to form, Broken Hill has some surprises. This specimen is 40x27x25mm and a small amount of matrix is covered by colourless calcite crystals to about 5mm in length. The whole specimen glows pink under ultraviolet light, due to a layer...
Elongated pyrite crystals, one as a “flag”, with a pyrite cube at the tip, on colourless to white chabazite. Ex Jo Price Collection. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Orange and red greenockite with galena, tennantite-tetrahedrite, pyrite and cerussite. The orange greenockite fluoresces red but the red crystals don’t. Width of view 5mm. Stack of 72 images (white light) and a stack of only 3 images (UV). Illustrated in the Australian Journal of Mineralogy magazine. Click on the images...
A coated hexagonal prism of fluorapatite from the Pyramid Hill granite Quarry, Victoria. Not as pretty as the Lake Boga ones. Width of view 5mm. Stack of 10 images. Click on the image below for a higher resolution version.
Yellowish pseudohexagonal plates of synchysite-(Ce) with tiny pyrite crystals sprinkled on them. White albite crystals at the base. Ex Joan Lamond Collection. Acquired by Joan in 1993 from Cynthia Peat (peatite-(Y)). Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version…
Pale tan ferroan dolomite crystals on dark brown siderite. There is also a tiny pyrite cube visible in the photo, slightly to the right and below centre. The dolomite could grade into ankerite. Width of view 3.5mm. Stack of 20 images. Click on the image below for a higher resolution...
Crystalline (but not crystals) of pyrite in quartz. Collected January 2021. Width of view 3.5mm. Stack of 50 images.
Acquired by Joan Lamond in 1996. Ex Museum Victoria.
Acquired by Joan Lamond in 1996. Ex Museum Victoria. Width of view 3.33mm. Stack of 63 images.
Acquired by Joan Lamond in 1998 from the Bendigo Show club stall for $0.50.
Acquired by Joan Lamond from Jack Leach at the Nunawading Show in 1998. Ex Jack Nelson Collection.
Pale pink section of a stalactite. Interesting that there is pyrite on the outer edges. Width 18.5mm. Stack of 130 images. Acquired from Roger Webb at the Salamanca Market, Hobart, in 1993.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Pyrite cube partially altered to goethite. Collected on the dumps 31 July 2020. Crystal width 4mm. Stack of 80 images. Scene of Australia’s worst mining disaster in 1882 when 26 men perished. Water from the old Shaft 1 broke into the newer Shaft 2 workings.
Brown-tinged cerussite crystals in argentiferous galena with pyrite and minor sphalerite and siderite. Width 11mm. Stack of 100 images.
Euhedral oxidised pyrite crystals with small rutile needles. Width 11mm. Stack of 60 images. Ex Jo Price Collection.
Small pyrite cubes with minor octahedral corners, colourless to orange stellerite crystals and white laumontite. Height 4.5mm. Stack of 30 images. Ex Jo Price Collection.
A lot going on here. Orange phantoms in quartz crystals. These are coated in white drusy quartz. Then there are colourless quartz scepters. But not just at the tips. There are tiny little sceptres ALONG the quartz crystals too. Oh, and also tiny pyrite cubes here and there. And, underneath,...
Pyrite after marcasite, with calcite and a second generation of pyrite. The calcite is fluorescent pink under longwave UV. Video best viewed full screen.
Ex Barry Johnson Collection. 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.
Cream bertrandite with small pyrite cubes, black ferberite, and orange-brown rhodochrosite. Ex Barry Johnson Collection. Video best viewed full screen.
Red realgar crystal altering to yellow orpiment on a nest of quartz crystals with a dusting of pyrite.
Colourless pseudo hexagonal platy crystals. Other species present including tiny pyrite crystals on edges of catapleite crystals.
Inclusions of pyrite and marcasite. From the Wise Lake Formation. Ex Jared Freiburg, Saga Minerals. Acquired at Tucson in 2011. And here is Jared with one of his cases in 2011 at the Hotel Tucson City Center (aka Innsuites), and a close up of my specimen’s big brother!
Brown ball on quartz matrix. Minor pyrite present. Ex Elena van Schriver.
Ex Milton Lavers collection. Exhibited at the Munich Show in 2008. Measures 65x65x35mm.
Stalactite of black crystals of sphalerite with a quartz crystal and minor pyrite on a few sphalerite crystal terminations, 58mm wide. [private role=”administrator”]Purchased at Keystone, priced at $150.[/private]
