1785 Chenevixite, Dome Rock, Olary Province, South Australia
Green crusty-looking material. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Green crusty-looking material. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Collected on the upper dump by Bernie Day. Olive-green unknown (Fe phosphate?) and grey variscite (upper right) on green chalcosiderite. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 44 images. Click on the image below for a higher resolution version.
A single mounted chalcopyrite crystal, no matrix. Ex Jo Price Collection. Width of view 5.75mm. Stack of 25 images. Click on the image below for a higher resolution version.
Hematite crystals on a hollowed out chalcopyrite crystal. Ex Jo Price Collection. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tarnished chalcopyrite crystals. Specimen measures 74x42x40mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Rounded chalcopyrite crystals. Specimen measures 53x34x33mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Tarnished crystals on pink-fluorescing calcite. Ex Bernie Day Collection. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Interesting twinned chalcopyrite crystals without matrix. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
A cluster of iridescent chalcopyrite crystals on ankerite/dolomite with quartz. Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
One main twinned and iridescent chalcopyrite crystal with a few smaller ones, with hematite and fibrous cream sepiolite on dolomite. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Silver chalcophanite with colourless thin prismatic scholzite crystals and white hemimorphite after smithsonite crystals. Ex Jo Price Collection. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Hexagonal crystals. Ex Jo Price Collection. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Tiny hexagonal crystals. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Extreme closeup of a wulfenite crystal at the limit of what can be achieved with my equipment. This image has not been cropped. Width of view 2mm. Stack of 50 images. Click on the image below for a higher resolution version.
Bright gold richly embedded throughout matrix. Ex Margaret Brown. Ex Castlemaine School of Mines. Ex CLC Collection. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Plates of levyne with tiny analcime crystals. Width of view 11.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
Quite blocky green malachite crystals. Acquired by me at the 2022 Gemkana from the Waverley Gem Club stall. Ex John Wren Collection. Acquired by John in 1986 for $4 from the Waverley Gem Club stall. Most of his collection was purchased back by the Waverley Club after he had passed....
Chalcocite forming both a tapering prismatic crystal with a pseudohexagonal crystal at its base, with tufts of malachite on a vugh lining of crystalline prehnite. Ex Margaret Brown. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Pseudohexagonal crystals. Width of view 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Pseudocubic orange chabazite crystals sprinkled with goethite. Top photo: Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
Pseudohexagonal chabazite-Na. Width of view 7.5mm. Click on the image below for a higher resolution version.
Tiny pseudocubic chabazite impaled on natrolite with bladed thomsonite-Ca and a ball of white dolomite. Ex Joan Lamond Collection. Width of view 5mm. Click on the image below for a higher resolution version.
Pseudohexagonal phacolite chabazite. Width of view 5mm. Click on the image below for a higher resolution version.
Basket Weave siderite with pseudocubic chabazite crystals. Ex Joan Lamond Collection. Collected by Joan in 1982. Width of view 10.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
A specimen of pseudocubic chabazite and twinned phillipsite in a vugh in basalt labelled as ‘Cairns, Queensland’ that was collected probably in the 1970s or early 1980s. All I can find out is that the town is built on ‘recent superficial deposits derived from the Barron River’ and that ‘the...
Isolated pseudocubic chabazite crystals, some interpenetrant. Width of view 17.25mm. Stack of 70 images. Click on the image below for a higher resolution version.
Labelled as Caniaba Quarry, Casino, but likely to be the Clovass Quarry. Four phacolitic chabazite crystals with no matrix, collected in 1984 or earlier. Acquired by Margaret Brown in 1984 from “Shirley”. Width of view 17.25mm. Stack of 90 images. Click on the image below for a higher resolution version.
Four pieces. Fairly large phacolitic chabazite on natrolite. Tiny later rhombs of chabazite sprinkled on natrolite needles. Photo width 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Complex twinned chabazite. Ex Joan Lamond Collection. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Orange-coated pseudocubic crystals of chabazite and green sulphur crystals on alabandite. Width of view 5.75mm. Stack of 35 images. Click on the image below for a higher resolution version.
Twinned pseudohexagonal chabazite crystals coating inside of vesicle. Ex Val Hannah Collection. Width of view 11.5. Stack of 42 images. Click on the image below for a higher resolution version.
Green afterglow. Ex Barry Schubert. Width of view 28mm. Stack of 45 images. Click on the image below for a higher resolution version.
Chrysocolla as blue patches and as green coatings and/or replacement of malachite. Green unaltered malachite also present. Some malachite altered to goethite, and goethite also present as the coating of vughs possibly coating or replacing earlier malachite. Width of view 11.5mm. Stack of 80 images. Click on the image below...
A 1mm wide yellow wulfenite crystal on a goethite matrix. A few other crystals occur on other parts of the specimen. Width of view 4.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Pale blue crusts and distinct crystals. Width of view 11.5mm. Stack of 80 images. Click on the image below for a higher resolution version.
Chalcanthite crystals that had grown on mine timbers in the lower levels of the mine. Specimen was collected around 1968 and was still attached to the timber. Unfortunately it has since become detached. Width of view 17.25mm. Stack of 25 images. Click on the image below for a higher resolution...
Deep blue curved crystals. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Pale blue post-mining efflorescence. Width of view 11.5mm. Stack of 24 images. Click on the image below for a higher resolution version.
Typical post-mining blue efflorescence. Ex Jo Price Collection. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Pale blue post-mining efflorescence. Width of view 11.5mm. Stack of 25 images. Click on the image below for a higher resolution version.
Two interpenetrant blue crystals. There was a chalcanthite pool underground at the mine. The colour is a bit lighter blue in person but hard to capture accurately. Ex Jo Price Collection. Largest crystal is 10mm. Stack of 40 images. Click on the image below for a higher resolution version.
A light blue crust, probably post-mining. Ex Joan Lamond Collection. Width of view 17.25mm. Stack of 40 images. Click on the image below for a higher resolution version.
White to pale green chalcoalumite with fine needles of blue cyanotrichite. Ex Bernie Day Collection. Width of view 5.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Pale pink to pale blue crust of chalcoalumite with green brochantite and yellow crusty beaverite-(Cu). Visual ID by Ralph Bottrill in about 2007. Width of view 11.5mm. Stack of 55 images (first photo – chalcoalumite) and 80 images (second photo – brochantite). Click on images below for a higher resolution...
Pale blue rosettes of platy crystals. Ex Brian Beyer. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Yellow cervantite in fractures and on surfaces of massive stibnite. Ex Val Hannah Collection. Ex Ruth Coulsell Collection. Acquired by Val from Ruth in 1993. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Goethite coating cerussite. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Single prisms and knee-shaped twins of grey to pale green cerussite. Width of view 5mm. Stack of 60 images. Click on the image below for a higher resolution version.
A cluster of yellow-green so-called “chrome” cerussite. Width of view 5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Five specimens. The one photographed has parallel growth cerussite with “pancake” pyromorphite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic colourless cerussite with tiny yellow mimetite crystals. Ex Joan Lamond Collection. Acquired by Joan from Merv and Lil Legg at the 1999 Gemkana for $2. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
White bladed crystals on a gossanous matrix. Ex Jo Price Collection. Width of view 19mm. Stack of 45 images. Click on the image below for a higher resolution version.
Colourless crystals showing twinning, no matrix, mounted on a black-painted wooden post. Ex Jo Price Collection. Width of view 5mm. Stack of 24 images. Click on the image below for a higher resolution version.
Grey cerussite crystals on azurite. Ex Graham Lee. Width of view 19mm. Stack of 85 images. Click on the image below for a higher resolution version.
White globular hyalite opal partially coating one of the greenish barrel-shaped pyromorphite crystals. The opal fluoresces white under longwave UV. Ex Val Hannah Collection. Width of view 19mm. Stack of 51 images. Click on the image below for a higher resolution version.
Prismatic brownish cerussite crystals, some twinned on green malachite. Width of view 19mm. Stack of 73 images. Click on the image below for a higher resolution version.
A neat reticulated cerussite specimen coated in tiny pyromorphite crystals. Sandwiched between the two is a bit of malachite. Specimen measures 48x45x22mm.
A lovely sixling reticulated cerussite, no matrix, with a pale orange fluorescence under longwave UV. Width of view 19mm. Stack of 31 images. Click on the image below for a higher resolution version.
Brownish bladed cerussite with green needles of malachite and blue bladed azurite. Width of view 9mm. Stack of 37 images. Click on the image below for a higher resolution version.
Lustrous azurite crystals on and with prismatic white cerussite. Width of view 9mm. Stack of 33 images. Click on the image below for a higher resolution version.
Reticulated cerussite. Ex Ian Graham. Width of view 9mm. Stack of 48 images. Click on the image below for a higher resolution version.
A phantom(!) reticulated cerussite with malachite. Ex Margaret Brown Collection. Width of view 5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Single colourless crystal measuring 20x20x23mm.
A waterworn blue topaz, 43x25x23mm. Ex Peter Mostert. Click on the link below for a higher resolution version.
Reticulated cerussite groups on hemimorphite with malachite. Ex Margaret Brown Collection. Ex Gerry Morvell. Width of view 9.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Type Locality for jeppeite and priderite. Black jeppeite with brown priderite in a lamproite matrix comprised of green celadonite and chlorite pseudomorphs of olivine, pyroxene and leucite. Width of view 24mm. Stack of 49 images. Click on the image below for a higher resolution version.
A single crystal of cassiterite with no matrix. 13x13x7mm. Stack of 25 images. Click on the image below for a higher resolution version.
An interesting paragenesis. I think what has happened is that malachite was replaced by blue chrysocolla, then wulfenite crystals formed on that, then a later coating of paler chrysocolla covered the lot! Ex Jo Price Collection. Width of view 9.5mm. Stack of 125 images. Click on the image below for...
A sample of alluvial heavy concentrate in a vial from the Ringarooma River, Derby, containing mostly brown to black cassiterite, with minor orange zircons, and occasional sapphires and black spinel. Width of view 14.25mm. Stack of 45 images. Click on the image below for a higher resolution version.
A tiny cassiterite crystal embedded in matrix. Width of view 4.75mm. Stack of 20 images. Click on the image below for a higher resolution version.
Sharp crystals of cassiterite ranging in colour from yellow through grey and brown to black, some zoned, with white topaz (to the right and slightly below the main cassiterite crystal) and green torbernite (not in photo). Width of view 9.5mm. Stack of 55 images. Click on the image below for...
Brown to black euhedral cassiterite crystals with zoned divergent sprays of prismatic crystals in the matrix. Width of view 16mm. Stack of 75 images. Click on the image below for a higher resolution version.
Dark brown cassiterite crystals and an iron-stained topaz crystal (centre top) embedded in a corroded greisen matrix. Width of view 9.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Three loose complex crystals without any matrix. Collected underground. Width of view 19mm. Stack of 34 images. Click on the image below for a higher resolution version.
A twinned cassiterite crystal with a small smoky quartz crystal at the centre, no matrix. A gift from, and collected by, the late Albert Chapman. Width of view 14mm. Stack of 66 images. Click on the image below for a higher resolution version.
Lustrous black cassiterite crystals with chlorite-coated quartz and dark olive-green prismatic actinolite. Width of view 19mm. Stack of 85 images. (Top image). Click on the image below for a higher resolution version.
Sharp cassiterite crystals on one edge of a specimen containing well-formed arsenopyrite crystals, quartz crystals, and botryoidal orange dolomite. Width of view 14.25, Stack of 80 images (cassiterite photo). Second photo width of view 8mm. Click on the cassiterite image for a higher resolution version.
Lustrous dark cassiterite crystals with white quartz crystals, from the edge of a porphyry dyke. Width of view 9.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Lustrous dark cassiterite crystals with quartz. Width of view 19mm. Stack of 90 images. Click on the image below for a higher resolution version.
Aggregate of cassiterite crystals. Width of view 9.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic cassiterite crystal with interesting features. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Twinned cassiterite. Width of view 12mm. Stack of 56 images. Click on the image below for a higher resolution version.
A group of crystals with gemmy portions and no matrix. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Colourless gypsum on green carrboydite with yellow to brown jarosite. Acquired by Joan Lamond in 1995 from Frank Doedens via Audrey Tuck. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Type Locality. Ex Jo Price Collection. Specimen measures 9x7x3mm. Stack of 50 images. Click on the image below for a higher resolution version.
Off-white barite aggregates on iron-stained phillipsite with tiny black goethite balls. Ex Jo Price Collection. Width of view 19mm. Stack of 50 images. Click on the image below for a higher resolution version.
Globular dolomite on analcime crystals. Ex Jo Price Collection. Width of view 19mm. Stack of 80 images. Click on the image below for a higher resolution version.
ex Jack Leach Collection. Specimen is 25x18x14mm.
Malachite after azurite and orange-yellow wulfenite crystals and tiny olive green fornacite crystals on a goethite matrix. Width of specimen 43mm. Stack of 182 images. Depth of view about 25mm. Click on the image below for a higher resolution version.
Type Locality for davidite-(La). Old German label. Yellow carnotite on massive davidite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Robust dark red to almost black, carminite crystals with green beudantite-segnitite. Ex Graham Lee. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Red carminite with green beudantite-segnitite. Interesting dark lines along some of the carminite crystals. Ex Graham Lee. Width of view 5mm. Stack of 80 images. Click on the image below for a higher resolution version.
Dark orange-red carminite with lighter orange beudantite, light yellow-green philipsbornite in a pale green gartrellite matrix. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Capgaronnite is extremely light-sensitive. There was a reasonable area of yellow-green capgaronnite after being lightly rubbed on the specimen photographed. But this had almost completely turned black by the time the photograph was taken. If you look really closely, you can just make out a small area of greenish material...
Dull yellow cerianite on quartz. John Haupt advises that the cerianite from Kingsgate is likely tancaite-(Ce). Ex Bernie Day Collection. Width of view 2.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Colourless cannonite and pale yellow bismutite after bismuthinite on quartz. Orange bismite and yellow-green koechlinite. Ex Bernie Day specimen. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Pink scalenohedral crystals of cobalt-bearing calcite. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Golden, almost fibrous, calcite on thomsonite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny sharp calcite crystals that look like they may have replaced something else, something vaguely cubic. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.