











Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $30.00
- Locality
- Hingston Down quarry, Gunnislake, Cornwall, England
- Formula
- CuFe3+2(AsO4)2(OH)2ยท4H2O
- Size
- 1.5 x 0.7 x 0.8 cm - Thumbnail
- Tagged
- arsenate, copper
- Special Info
- Type Locality
Small but excellent specimen from the type locality.
- Availability
- Available
- Price
- $495.00
- Locality
- Carn Brea, Redruth, Cornwall, England
- Formula
- Cu5FeS4
- Size
- 6 x 4.5 x 4 cm - Sm Cabinet
- Tagged
- sulfide, copper
Iridescent blue Bornite crystals from important Cornish mine.
- Availability
- Available
- Price
- $45.00
- Featured
- Featured in Special Editions
- Locality
- Butte dist., Silver Bow Co., Montana, United States
- Formula
- Cu5FeS4
- Size
- 6.5 x 6 x 2.7 cm - Sm Cabinet
- Tagged
- sulfide, copper, ore specimen
Ore specimen of Bornite with Pyrite. Butte, of course, being one of the largest Copper producing mines in the world. It is no longer in operation.
Bornite carries up to 63% copper. It is a copper red when fresh, but quickly tarnishes to a dark purplish black and often iridescent.
- Availability
- Available
- Price
- $25.00
- Locality
- Newporth, Falmouth, Cornwall, England
- Formula
- CuPbSbS3
- Size
- 6 x 4.5 x 3 cm - Sm Cabinet
- Tagged
- sulfide, copper
Shiny silvery crystal grains to 6mm in matrix with green alterations.
- Availability
- Available
- Price
- $15.00
- Locality
- Huallanca, Bolognesi Prov., Ancash, Peru
- Formula
- CuPbSbS3
- Size
- 1.5 x 2 x 1.8 cm - Thumbnail
- Tagged
- sulfide, copper
Silvery twinned crystals to 6mm. Good thumbnail.
- Availability
- Available
- Price
- $60.00
- Locality
- Pribram, Bohemia, Czech Republic
- Formula
- CuPbSbS3
- Size
- 6 x 5 x 4 cm - Sm Cabinet
- Tagged
- sulfide, copper
A 1.3cm Bournonite crystal in matrix.