Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $60.00
- Locality
- Hingston Down quarry, Gunnislake, Cornwall, England
- Formula
- CuFe3+2(AsO4)2(OH)2·4H2O
- Size
- 7 x 6.5 x 1.5 cm - Sm Cabinet
- Tagged
- arsenate, copper
- Special Info
- Type Locality
Green coatings and micro crystals less than 0.75mm. Some areas contain good well-defined crystals whereas other areas are crystals which have all merged together forming a crust. This is the type locality.
- Availability
- Sold
- Locality
- Cornwall, England
- Formula
- Ca4Fe2+2Al4[B2Si8O30](OH)2
- Size
- 5 x 4 x 2.5 cm - Miniature
- Special Info
- Antique Specimen
Chocolate brown, striated Axinite crystals, the largest to 9mm across with several smaller, sharp crystals. This piece is an old Gregory, Bottley & Co. specimen with the label (see prov. tab) not to mention the fact that it is from Cornwall.
- Availability
- Sold
- Locality
- Gravel Hill mine, Perranzabuloe, Cornwall, England
- Formula
- Fe2+Fe3+5(PO4)4(OH)5·6H2O
- Size
- 6 x 5 x 3.5 cm - Sm Cabinet
- Tagged
- phosphate
Dark green acicular crystals in sprays less than 1mm.
- Availability
- Sold
- Locality
- Cornwall, England
- Formula
- Cu2Cl(OH)3
- Size
- 7.5 x 3.5 x 2.5 cm - Sm Cabinet
- Tagged
- copper
Minute blue plates of Bottallackite on probably tarnished Chalcopyrite, but could be Stannite. Nice specimen from Quartz vein material.
- Availability
- Sold
- Locality
- Herodsfoot mine, Liskeard, Cornwall, England
- Formula
- CuPbSbS3
- Size
- 6 x 6.5 x 4.5 cm - Sm Cabinet
- Tagged
- sulfide, copper
2-3mm twinned crystals to Bournonite in open-fracture lined with drusy Quartz. Some nice iridescence with unknown brown plates. Handsome specimen from this classic English locality know for its superb Bournonite specimens. First worked in the 1700'3 and mid 1800's.
- Availability
- Sold
- Locality
- Geevor mine, Pendeen, St Just dist., Cornwall, England
- Formula
- CaCO3
- Size
- 8 x 4.5 x 3 cm - Sm Cabinet
- Tagged
- carbonate
Interesting saddle-shaped crystals of Calcite with bands of inclusions. The inclusions are perhaps tiny Pyrite crystals, although that is just a guess on my part.
