ncat WD207 Zircon, Orthoclase, Aegirine, Mount Malosa, Zomba, Southern Region, Malawi
Specimen measures 38x37x30mm and is shown under white light, longwave UV, medium wave UV and shortwave UV.
Africa
ncat NOVM Gold, Mazowe Goldfield, Mashonaland, Zimbabwe
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.
ncat NOVM Stolzite, Abuja, Federal Capitol Territory, Nigeria
Orange crystal group with no matrix. Width of group 2mm. Stack of 18 images. Click on the image below for a higher resolution version.
ncat WD115 Filon No. 7, Arhbar Mine, Bou Azzer, Morocco
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...
ncat TH Amethyst, Baobab Mine, Kitui District, Kenya
Multi-terminated amethyst crystal, 70x50x40mm.
5751 Uranophane, Rössing uranium mine, Arandis Constituency, Erongo Region, Namibia
Yellow transparent prismatic crystals. Labelled as barium uranophane. Collected before 1980.
4481 Olivenite, Stavoren Mine, north of Marble Hall, Mpumalanga Province, South Africa
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.
4482 Olivenite, Stavoren Mine, north of Marble Hall, Mpumalanga Province, South Africa
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...
4574 Oyelite, N’Chwaning Mine, Kuruman Hills, Namibia
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.
7324 JL3903 Amblygonite, Buranga pegmatite, Gatumba, Ngororero, Western Province, Rwanda
Ex Joan Lamond Collection. Ex Ralph Segnit Collection. Photo width 11.5mm. Click on image below for a higher resolution version.
7363 JL3054 Vaterite, Defernite, Kombat Mine, Kombat, Grootfontein, Otjozondjupa Region, Namibia
Acquired by Joan Lamond from Rob Sielecki in 1998 for $10.00.
7342 JL3052 Holdawayite, Kombat Mine, Kombat, Grootfontein, Otjozondjupa Region, Namibia
Type Locality. Acquired by Joan Lamond in 1998 from Rob Sielecki for $10.00.
5725 Irhtemite, Ightem Mine (Irhtem Mine), Ightem, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco
Type Locality. Colourless to white prismatic crystals.
5724 Jacobsite, N’Chwaning II Mine, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Lustrous black octahedral crystals.
ncat WD113 Cassiterite, Hyalite, Erongo Mountains, Karibib, Erongo, Namibia
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...
30112 Smithsonite, Mimetite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region, Namibia
Grey rhombohedral smithsonite crystals with yellow mimetite. Specimen measures 49x28x20mm.
30111 Kutnohorite, Rhodochrosite, Calcite, N’Chwaning II Mine, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Pink drusy crystals of rhodochrosite coating acicular kutnohorite and white calcite that fluoresces red. 40x36x33mm.
ncat BJ Box RL Smithsonite, Malachite, Akjoujt Mine (Guelb Moghrein Mine), Akjoujt (Akjout; Fort Repoux), Inchiri Region, Mauritania
White smithsonite, green malachite.
8514 Villiaumite, Tuperssuatsiaite, Ellingsenite, Unnamed Fe Analogue of Zakharovite, Aegirine, Albite, Nepheline, Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia
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...
2411 Chrysoberyl, Lac Alaotra Chrysoberyl Pegmatites, Ambatondrazaka, Alaotra-Mangoro, Madagascar
Thin twinned crystal, partial sixling. Width 18.5mm. Stack of 170 images.
1429 Mimetite, Sphalerite, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
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...
1022 Mimetite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Yellow prismatic crystals that fluoresce orange-pink under longwave ultraviolet. Width 18.5mm. Stack of 200 images. Ex Ambros Kissling.
20059 Vanadinite, Barite, Mibladen mining district, Midelt Province, Drâa-Tafilalet Region, Morocco
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.
5681 Jeremejevite, Ameib Farm 60, Usakos, Karibib, Erongo Region, Namibia
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.
9042 JP2253 Skutterudite, Ightem Mine, Ightem, Bou Azzer District, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Silver euhedral crystals. Width 11mm. Stack of 50 images. Ex Jo Price Collection.
30098 Azurite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Two sharp azurite crystals in a V formation with unidentified green and white minerals. Video best viewed full screen.
20054 Quartz, Goethite, Mount Malosa, Zomba, Southern Region, Malawi
Slender quartz crystal with goethite inclusions and unknown black rhombohedral species. Video best viewed full screen.
5667 Rhodochrosite, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Deep orange-red sharp crystals. Ex Brian Shelton Collection. Photo widths 9mm and 5mm.
30095 Celestine, Sakoany deposit, Katsepy, Mitsinjo, Boeny, Madagascar
Heavy specimen. Sharp pale blue crystals. Video best viewed full screen.
30085 Vanadinite, Mibladen mining district, Midelt Province, Drâa-Tafilalet Region, Morocco
Deep orange-brown crystals, with some tan coloured faces. Video best viewed full screen.
5203 Diamond, Sierra Leone
5200-5203 mounted in one box. by Jules Bernhardt in 1976. Video best viewed full screen.
20051 Dioptase, Calcite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Sharp green dioptase crystals on calcite. Ex Roger Colling Collection. Video best viewed full screen.
30075 Erythrite, Bou Azzer Mine, Morocco
Two separate habits of erythrite, distinct sharp dark purple crystals and small hemispheres of pink crystals. Video best viewed full screen.
30070 Rhodochrosite, Shigaite, N’Chwaning I Mine, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Ex Barry Johnson Collection. Labelled as N’Chwaning II but should be N’Chwaning I according to Mindat. Video best viewed full screen.
30063 Sturmanite, N’Chwaning II Mine, Kuruman, Kalahari manganese field, South Africa
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.
30061 Groutite, Calcite, Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa
Black groutite on an unknown brown stalactitic mineral with calcite that fluoresces red. Ex Barry Johnson Collection.
30058 Olimiite, Celestine, N’Chwaning II Mine, Kuruman, Kalahari manganese field, South Africa
Olmiite fluoresces bright red under longwave UV. Ex Barry Johnson Collection. Video best viewed full screen.
ncat VHD10, Duftite, Dioptase, Tsumeb Mine, Tsumeb, Namibia
Ex Roger Colling Collection
20044 Fluorite, Aquamarine, Erongo Mountains, Karibib, Erongo Region, Namibia
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...
5661 Diamond, Liberia
Greenish-black fragment of a crystal 5mm wide. Acquired from CK Minerals at the 2019 Nunawading Show.
10083 Sugilite, N’Chwaning III Mine, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Fibrous to prismatic purple crystals. 65x40x20mm. Closeup photo is 6.5mm wide.
10062 Rhodochrosite, Kalahari manganese field, Northern Cape Province, South Africa
Lustrous deep red crystals on one face. Specimen measures 87x40x23mm. Closeup photo is 14mm across.
ncat JP0975 Francevillite, Mounanaite, Mounana Mine (Mouana Mine), Franceville, Haut-Ogooue Province, Gabon
Type Locality for both species
ncat JP1458 Smithsonite, Touissit, Touissit-Bou Beker District, Jerada Province, L’oriental Region, Morocco
Rhombohedral crystals of smithsonite. Ex Jo Price Collection. Width of view 5mm. Stack of 30 images.
ncat JP3744 Zincolivenite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region (Otjikoto Region), Namibia
Ex Jack Nelson Collection. “Cuproadamite”
5572 Ferrilothmeyerite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Type Locality. Tiny brown crystals on calcite, Peter Hall
5579 Tarbuttite, Kabwe Mine (Broken Hill Mine), Kabwe (Broken Hill), Kabwe District, Central Province, Zambia
Type Locality. Colourless crystals. Pink under LWUV. Labelled as Northern Rhodesia.,
4701 Calcite, Mottramite, Sphalerite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Old label “SW-Afrika”., Helmut Braith
4737 Pyrope, Tanzania
Three fairly sharp crystals, no matrix., Steve Ulatowski, New Era Gems, Grass Valley, California
4819 Hydropyrochlore, Lueshe Mine, Kivu, Democratic Republic of Congo (Zaire)
Type Locality, Richard Bell
30030 Erythrite, Bou Azer, Morocco
Dark pink/purple crystals protected in a cavity. Ex Darren Lucas.
20007 Hausmannite, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Lustrous octahedral crystals.
10079 Malachite, L’Etoile du Congo Mine, Lubumbashi, Katanga Copper Crescent, Katanga, Democratic Republic of Congo
So-called velvet malachite”. Purchased at Keystone
20002 Beryl, Erongo Mountain, Erongo Region, Namibia
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...
10061 Rhodochrosite, Kalahari manganese field, Northern Cape Province, South Africa
Cavities containing lustrous pink crystal groups.
10051 Quartz, Jebel Imalo, Imilchil, Er Rachidia Province (Errachidia Province), Meknes-Tafilalet Region, Morocco
Lovely cluster of colourless quartz crystals in parallel growth. Labelled as Jebel Imalo, Imilchil, High Atlas Mountains, Morocco.
10023 Ettringite, Calcite, Andradite, Hematite, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Nice zoned yellow-white ettringite, superb colourless calcite, reddish andradite and minor hematite.
10009 Smithsonite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
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.
8073 Iowaite, Palabora mine (Foscor open pit; PMC mine), Loolekop, Phalaborwa, Limpopo Province, South Africa
ex Bernie and Margaret Day Collection
8028 Boltwoodite, Calcite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
ex Bernie and Margaret Day Collection
7140 Willemite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
ex Joan Lamond Collection, ex Mike Newnham. Sharp yellow crystals with tiny smithsonite(?) and inclusions of dioptase and a red mineral.
7098 Proustite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Proustite at Tsumeb not listed in Mindat. ex Joan Lamond Collection
10053 Barite, Jebel Ouichane, Beni Bou Ifrour, Nador, Nador Province, Oriental Region, Morocco
Cluster of pale blue barite crystals.
10054 Barite, Jebel Ouichane, Beni Bou Ifrour, Nador, Nador Province, Oriental Region, Morocco
Cluster of pale blue barite crystals. Purchased at Keystone, priced at $40.
4650 Kombatite, Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia
Type Locality. Tiny piece with yellow kombatite, hausmannite and andradite(?). Ex Dan Weinrich, Ralph Merrill.
4628 Dioptase, Kaokoveld Plateau, Kunene Region, Namibia
Cluster of emerald-green crystals
4629 Quartz, Ceres, Cape Winelands District, Western Cape Province, South Africa
Clear quartz crystal with inclusions collected by Pierre Joubert on a friend’s farm near Ceres.
4630 Rutile, Quartz, Orthoclase, Cape Lime Company’s Dolomite Quarry, Vredendal, West Coast District, Western Cape Province, South Africa
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
4631 Quartz, Orthoclase, Cape Lime Company’s Dolomite Quarry, Vredendal, West Coast District, Western Cape Province, South Africa
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
4410 Olmiite, N’Chwaning II Mine, Kuruman Hills, North Cape Province, South Africa
Danny Jones Firebird Minerals
4055 Likasite, Likasi Mine, Likasi, Shaba, Congo
Jim Ferraiolo 6/2005
4017 Poldervaartite, Bulfonteinite, Kuruman, Hotazel, South Africa
Robert Kurcbart 4/2005
4016 Gauderfroyite, Kalahari Manganese Field, Kuruman, Hotazel, South Africa
Robert Kurcbart 4/2005
4001 Senegalite, Turquoise, Khouroudiako, Faleme River, Senegal
Cederick Gineste 2/2005
3935 Quartz (Amethyst), Magaliesburg, South Africa
Alison Sewell in Johannesburg
3929 Quartz (Amethyst), Brandberg, Gobbobisberg Mountains, Namibia
Adam Wright 2/2005
6092 Fluorite, Riemvasmaak fluorite occurrences, Kakamas District, Northern Cape Province, South Africa
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...
6054 Arisite-(Ce), Tuperssuatsiaite, Analcime, Aegirine, Aris Quarries, Aris, Windhoek District, Namibia
Type locality for arisite-(Ce) which is pale pinkish thin hexagonal plates. Tuperssuatsiaite is brownish-red sprays
6020 Azurite, Tsumeb Mine, Tsumeb, Namibia
Ex Al Ordway No. 188. Gift from D. Pohl. Dark blue crystals
6009 Tavorite, Giniite, Sandamab pegmatite, Usakos, Karibib District, Erongo Region, Namibia
Type locality for giniite. Tavorite green, giniite black
6004 Asisite, Hausmannite, Quartz, Kombat Mine, Namibia
Bright red crystals in hausmannite and quartz matrix
5304 Zoisite, Merelani Hills, Arusha Region, Tanzania
Faceted tanzanite gem 0.47 carats
5056 Corundum, Zazafotsy Quarry, Ihosy District, Fianarantsoa Province, Madagascar
Ruby. Kerry Banks Collection
7112 JL228 Nadorite, Nador n’Bails Mine, Djebel Nador, Guelma, Constantine Province, Algeria
Type Locality. ex Joan Lamond Collection
2395 Leiteite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Micaceous crystal fragment
1892 Biehlite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Capsule. Originally from Clive Quiet, 2005
1668 Arisite-(La), Tuperssuatsiaite, Aegirine, Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia
White hexagonal plates. Other species present (maybe fluorapatite, analcime, albite?). Collected in 1994.
1576 Barite, Malachite, Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zare)
Malachite on colourless-grey barite crystals. Ex Downunder Minerals.
1391 Sogdianite, Wessels Mine (Wessel’s Mine), Hotazel, Kalahari Manganese Fields, Northern Cape Province, South Africa
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...
1392 Inesite, N’Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Red crystals of inesite with minor calcite.
1235 Delafossite, Cuprite, Vaalhoek Mine (Valhoek Mine), Pilgrim’s Rest, Pilgrim’s Rest District, Mpumalanga Province, South Africa
Dark delafossite matrix with red cuprite crystals. Ex Arthur L Flagg Collection, 1950s. Ex Trevor Boyd Collection. Labelled as Vaalhoek Mine, Transvaal.
1237 Cuprite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Lustrous red cuprite crystals. Ex Trevor Boyd Collection.
1098 Kolwezite, Cobaltoan Calcite, Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaire)
Tufts of acicular green crystals on pink cobaltoan calcite.