Mineral Specimen and Product Inventory Search
SOLD
- Availability
- Sold
- Locality
- Sjögruvan, Grythyttan, Västmanland, Sweden
- Formula
- Mn2+6(Fe3+,Sb5+)2(SiO4)2(O,OH)6
- Size
- 2 x 1.3 x 1 cm - Thumbnail
- Special Info
- Type & Only Locality
Cherry red crystal grain to ablut 0.5mm. Orebroit is an extremely rare antimony mineral found only at this locality.
SOLD
- Availability
- Sold
- Locality
- Manganese mine, Copper Harbor, Keweenaw Co., Michigan, United States
- Formula
- Ca8Mn3+10(SiO4)3(Si3O10)3(OH)10ยท4H2O
- Size
- 2 x 1.5 x 1.5 cm - Thumbnail
Rusty red tiny tabular crystals. Rich and excellent specimen.
- Availability
- Available
- Price
- $75.00
- Locality
- Teufelsmuhl, Habach valley, Salzburg, Austria
- Formula
- K(AlSi3)O8
- Size
- 5 x 4.5 x 4.5 cm - Miniature
Superb, sharpand large crystal group of striated Orthoclase, variety adularia. The largest crystal is 4.5cm.
- Availability
- Available
- Price
- $125.00
- Locality
- Karlsbad, Bohemia, Czech Republic
- Formula
- K(AlSi3)O8
- Size
- 5.5 x 4 x 4 cm - Sm Cabinet
A naturally corroded karlsbad twinned set of Orthoclase crystals.
- Availability
- Available
- Price
- $85.00
- Reduced Price
- $50.00
- Locality
- Oceanview mine, Pala dist., San Diego Co., California, United States
- Formula
- K(AlSi3)O8
- Size
- 10 x 7.5 x 4.5 cm - Cabinet
- Tagged
- pegmatite mineral
A partial, large, Orthoclase Crystal with two good faces displaying good cross-hatching referred to as "tartan" twinning.
- Availability
- Available
- Price
- $20.00
- Locality
- Lake Geneva, Wisconsin, United States
- Formula
- K(AlSi3)O8
- Size
- 8 x 5 x 4 cm - Sm Cabinet
I know everyone has been waiting for this: A pink chunk of Orthoclase collected in 1945 by Arnold Hampson.
