Fine Mineral Specimens Over $50
- Availability
- Sold
- Locality
- Herodsfoot mine, Liskeard, Cornwall, England
- Formula
- CuPbSbS3
- Size
- 8 x 5 x 2.5 cm - Sm Cabinet
- Tagged
- sulfide, copper
Perhaps an old-timer from this famous Cornish locality - there are several cogwheel twins of grey, steely crystals of Bournonite to 5mm.
- Availability
- Available
- Price
- $150.00
- Locality
- Charcas, San Luis Potosi, Mexico
- Formula
- CaCO3
- Size
- 13 x 7 x 6 cm - Cabinet
- Tagged
- carbonate
Classic locality for this form of Calcite known as "poker-chip calcite". This one is in great shape with the largest crystal to 6cm. All the crystals have that unique grey band at the center.
- Availability
- Sold
- Locality
- Cumberland, England
- Formula
- CaCO3
- Size
- 9 x 8 x 4.5 cm - Sm Cabinet
- Tagged
- carbonate
Tiny 1mm and less Pyrite crystals on white to colorless Calcite crystals to 1cm. It's an old-timer with a few older crusty labels.
- Availability
- Sold
- Locality
- Faraday mine, Hastings Co., Ontario, Canada
- Formula
- CaCO3
- Size
- 5 x 3.5 x 1.7 cm - Miniature
- Tagged
- carbonate
A cleaved Calcite piece with incredible inclusions of Chalcopyrite stringers and unknown "grated" red planes of perhaps alco Chalcopyrite(?).
- Availability
- Available
- Price
- $55.00
- Locality
- Frazier's Well, Coconino Co., Arizona, United States
- Formula
- CaCO3
- Size
- 13.5 x 8.5 x 9 cm - Cabinet
- Tagged
- carbonate
Larger specimen composed of yellow banded Calcite, variety onyx, with a nice vug at the center. The vug goes clear through to the otherside.
- Availability
- Sold
- Locality
- Challacollo mine, Iquique, Tarapaca Prov., Chile
- Formula
- Na2(Pb2Na)(SO4)3Cl
- Size
- 4.5 x 3.5 x 1.5 cm - Miniature
Colorless pseudo-hexagonal crystals from 1 to 2.5mm. There are numerous crystals, probably 6 or 7 in a 2cm vug.
