Copal from this locality is about 2 million years old. This piece is ~30x30x10mm, is polished, and fluoresces bluish-white. It holds four beetles and a couple of smaller flies. Width of view 11mm. Stack of...
Specimen measures 38x37x30mm and is shown under white light, longwave UV, medium wave UV and shortwave UV.
Pareidolia! I see the head of a Big Cat in this small slug of gold in quartz. Photo width 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Orange crystal group with no matrix. Width of group 2mm. Stack of 18 images. Click on the image below for a higher resolution version.
This specimen comprises very dark purple crystals of erythrite, but the tips of the crystals flare out a little and show up as a lighter shade of pink. Width of view 3.5mm. Stack of 20...
Multi-terminated amethyst crystal, 70x50x40mm.
Yellow transparent prismatic crystals. Labelled as barium uranophane. Collected before 1980.
Time to cut the grass! A mass of jackstraw crystals of olivenite. Ex Ian Graham. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green prismatic crystals of olivenite. Interestingly, when you zoom in, particularly towards the top of the image, you can also see tiny white hexagonal crystals (likely mimetite) and rounded green crystals (likely copper-bearing adamite or...
Colourless to white tufts of oyelite. Ex Bob Rothenberg. Ex Rocko’s Minerals. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Ex Joan Lamond Collection. Ex Ralph Segnit Collection. Photo width 11.5mm. Click on image below for a higher resolution version.
Acquired by Joan Lamond from Rob Sielecki in 1998 for $10.00.
Type Locality. Acquired by Joan Lamond in 1998 from Rob Sielecki for $10.00.
Type Locality. Colourless to white prismatic crystals.
Lustrous black octahedral crystals.
Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
Grey rhombohedral smithsonite crystals with yellow mimetite. Specimen measures 49x28x20mm.
Pink drusy crystals of rhodochrosite coating acicular kutnohorite and white calcite that fluoresces red. 40x36x33mm.
White smithsonite, green malachite.
Pink villiaumite, brown tuperssuatsiaite, white ellingsenite, tiny brown unnamed Fe analogue of zakharovite, green prismatic aegirine, colourless albite. Type Locality for ellingsenite and unnamed Fe analogue of zakharovite. Villiaumite fluoresces red (Convoy LW) and nepheline...
Thin twinned crystal, partial sixling. Width 18.5mm. Stack of 170 images.
Lovely little thumbnail (in micro box) of a group of zoned golden mimetite crystals. Ex American Museum of Natural History (AMNH) Collection number 45287. Ex Eugene Carmichael Collection. AMNH received it as a gift from...
Yellow prismatic crystals that fluoresce orange-pink under longwave ultraviolet. Width 18.5mm. Stack of 200 images. Ex Ambros Kissling.
Orange-red hexagonal crystals in tabular and prismatic habits on cream-coloured barite plates. Width 11mm. Stack of 150 images. Close-up photo of a 30x27x20mm specimen.
A crudely-terminated 5mm tall bicoloured crystal (purplish-blue and greenish-grey) that has experienced dissolution. Stack of 100 images. Ex John Sobolewski. Ex Matt Gibbs.
Silver euhedral crystals. Width 11mm. Stack of 50 images. Ex Jo Price Collection.
Two sharp azurite crystals in a V formation with unidentified green and white minerals. Video best viewed full screen.
Slender quartz crystal with goethite inclusions and unknown black rhombohedral species. Video best viewed full screen.
Deep orange-red sharp crystals. Ex Brian Shelton Collection. Photo widths 9mm and 5mm.
Heavy specimen. Sharp pale blue crystals. Video best viewed full screen.
Deep orange-brown crystals, with some tan coloured faces. Video best viewed full screen.
5200-5203 mounted in one box. by Jules Bernhardt in 1976. Video best viewed full screen.
Sharp green dioptase crystals on calcite. Ex Roger Colling Collection. Video best viewed full screen.
Two separate habits of erythrite, distinct sharp dark purple crystals and small hemispheres of pink crystals. Video best viewed full screen.
Ex Barry Johnson Collection. Labelled as N’Chwaning II but should be N’Chwaning I according to Mindat. Video best viewed full screen.
Flattened hexagonal dipyramid yellow crystals with pronounced pinacoid faces, and with tiny colourless-white acicular crystals of quartz. Ex Barry Johnson Collection. Video best viewed full screen.
Black groutite on an unknown brown stalactitic mineral with calcite that fluoresces red. Ex Barry Johnson Collection.
Olmiite fluoresces bright red under longwave UV. Ex Barry Johnson Collection. Video best viewed full screen.
Ex Roger Colling Collection
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...
Greenish-black fragment of a crystal 5mm wide. Acquired from CK Minerals at the 2019 Nunawading Show.
Fibrous to prismatic purple crystals. 65x40x20mm. Closeup photo is 6.5mm wide.
Lustrous deep red crystals on one face. Specimen measures 87x40x23mm. Closeup photo is 14mm across.
Type Locality for both species
Rhombohedral crystals of smithsonite. Ex Jo Price Collection. Width of view 5mm. Stack of 30 images.
Ex Jack Nelson Collection. “Cuproadamite”
Type Locality. Tiny brown crystals on calcite, Peter Hall
Type Locality. Colourless crystals. Pink under LWUV. Labelled as Northern Rhodesia.,
Old label “SW-Afrika”., Helmut Braith
Three fairly sharp crystals, no matrix., Steve Ulatowski, New Era Gems, Grass Valley, California
Type Locality, Richard Bell
Dark pink/purple crystals protected in a cavity. Ex Darren Lucas.
Lustrous octahedral crystals.
So-called velvet malachite”. Purchased at Keystone
An aquamarine-tipped heliodor from a small recent find of unusual bi-coloured beryls and this piece comes from the lot that had some of the best colouration seen. The piece weighs approximately 0.9 grams and measures...
Cavities containing lustrous pink crystal groups.
Lovely cluster of colourless quartz crystals in parallel growth. Labelled as Jebel Imalo, Imilchil, High Atlas Mountains, Morocco.
Nice zoned yellow-white ettringite, superb colourless calcite, reddish andradite and minor hematite.
Light brown translucent crystals on matrix. Ex American Museum of Natural History (AMNH) Collection, numbered 49272. Jamie Newman of the museum has advised that the number should read 94272.
ex Bernie and Margaret Day Collection
ex Bernie and Margaret Day Collection
ex Joan Lamond Collection, ex Mike Newnham. Sharp yellow crystals with tiny smithsonite(?) and inclusions of dioptase and a red mineral.
Proustite at Tsumeb not listed in Mindat. ex Joan Lamond Collection
Cluster of pale blue barite crystals.
Cluster of pale blue barite crystals. Purchased at Keystone, priced at $40.
Type Locality. Tiny piece with yellow kombatite, hausmannite and andradite(?). Ex Dan Weinrich, Ralph Merrill.
Cluster of emerald-green crystals
Clear quartz crystal with inclusions collected by Pierre Joubert on a friend’s farm near Ceres.
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
Danny Jones Firebird Minerals
Jim Ferraiolo 6/2005
Robert Kurcbart 4/2005
Robert Kurcbart 4/2005
Cederick Gineste 2/2005
Alison Sewell in Johannesburg
Adam Wright 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...
Type locality for arisite-(Ce) which is pale pinkish thin hexagonal plates. Tuperssuatsiaite is brownish-red sprays
Ex Al Ordway No. 188. Gift from D. Pohl. Dark blue crystals
Type locality for giniite. Tavorite green, giniite black
Bright red crystals in hausmannite and quartz matrix
Faceted tanzanite gem 0.47 carats
Ruby. Kerry Banks Collection
Type Locality. ex Joan Lamond Collection
Micaceous crystal fragment
Capsule. Originally from Clive Quiet, 2005
White hexagonal plates. Other species present (maybe fluorapatite, analcime, albite?). Collected in 1994.
Malachite on colourless-grey barite crystals. Ex Downunder Minerals.
The rare lithium bearing double-ring silicate sogdianite is rich in this mount which has a display face of 17x9mm. Specimen is mounted on a pedestal in a two part plastic (black bottom, clear top) micromount...
Red crystals of inesite with minor calcite.
Dark delafossite matrix with red cuprite crystals. Ex Arthur L Flagg Collection, 1950s. Ex Trevor Boyd Collection. Labelled as Vaalhoek Mine, Transvaal.
Lustrous red cuprite crystals. Ex Trevor Boyd Collection.
Tufts of acicular green crystals on pink cobaltoan calcite.
