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 images. Ex Brian Shelton Collection. Click on the image below for a higher resolution version.
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 zincolivenite). Neither species is listed in Mindat. Ex Ian Graham. Width of view 3.5mm. Stack...
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.