Olmiite
Locality: N'Chwaning II Mine, N'Chwaning Mines, Kuruman,
Kalahari manganese field, Northern Cape, South Africa
Size: 59mm x 37mm x 21mm
Weight: 57g
Quartz Pseudomorph after Calcite
Locality: Alacam Amethyst Mine, Dursunbey, Balikesir Province,
Marmara Region, Turkey
Size: 74mm x 68mm x 35mm
Weight: 71g
Smoky Quartz, Schorl & Muscovite
Locality: Erongo Mountain, Erongo Region, Namibia
Size: 66mm x 43mm x 37mm
Weight: 99g
Olmiite
Locality: N'Chwaning II Mine, N'Chwaning Mines, Kuruman,
Kalahari manganese field, Northern Cape, South Africa
Size: 48mm x 34mm x 25mm
Weight: 46g
Smoky Quartz, Aegirine & Zircon
Locality: Mount Mulanje, Mulanje District, Malawi
Size: 75mm x 29mm x 27mm
Weight: 54g
Quartz
Locality: Dal'negorsk, Kavalerovo Mining District,
Primorskiy Kray, Far-Eastern Region, Russia
Size: 65mm x 64mm x 32mm
Weight: 108g
Smoky Quartz, Aegirine & Zircon
Locality: Mount Mulanje, Mulanje District, Malawi
Size: 71mm x 54mm x 35mm
Weight: 104g
Quartz, Astrophyllite & Riebeckite
Locality: Zagi Mountain, Hameed Abad Kafoor Dheri,
Peshawar, Khyber Pakhtunkhwa, Pakistan
Size: 75mm x 71mm x 51mm
Weight: 266g
Quartz Pseudomorph after Calcite
Locality: Animas Mining District, Silverton, San Juan County, Colorado, USA
Size: 70mm x 58mm x 34mm
Weight: 80g
Quartz, Fluorite & Manganoancalcite
Locality: Huanggang Mine, Hexigten Banner, Ulanhad League,
Inner Mongolia Autonomous Region, China
Size: 64mm x 44mm x 37mm
Weight: 77g
Sand Calcite
Locality: Malyi, Miskolc, Bükk Mtns, Borsod-Abaúj-Zemplén County, Hungary
Size: 60mm x 51mm x 45mm
Weight: 54g
Goethite Pseudomorph after Pyrite
Locality: Cuetzalan, Puebla, Mexico
Size: 58mm x 56mm x 50mm
Weight: 283g
Olmiite & Oyelite
Locality: N'Chwaning II Mine, N'Chwaning Mines, Kuruman,
Kalahari manganese field, Northern Cape, South Africa
Size: 41mm x 31mm x 28mm
Weight: 44g
Quartz, Ilvaite & Arsenopyrite
Locality: Huanggang Mine, Hexigten Banner, Ulanhad League,
Inner Mongolia Autonomous Region, China
Size: 90mm x 53mm x 52mm
Weight: 86g
繊維石膏 (Gypsum)
Locality: 宮城県加美郡加美町宮崎宮崎鉱山
(Miyazaki Mine, Miyazaki, Kami Town, Kami County, Miyagi Prefecture, Japan)
Size: 84mm x 57mm x 40mm
Weight: 188g