Mineral Specimen and Product Inventory Search
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Hale quarry, Portland, Middlesex Co., Connecticut, United States
- Formula
- Be3Al2Si6O18
- Size
- 12 x 10 x 7 cm - Cabinet
- Tagged
- ore mineral, beryllium, pegmatite mineral
A large bluish green Beryl crystal with a termination 10cm across. A thorough explanation of the mine can be found on Mindat, please click here Hale quarry summary. Beryl contains about 14% beryllium oxide and is usually found in granite pegmatites. Beryllium is one of the lightest of all metals and has one of the highest melting points. Much of the beryllium produced is used in beryllium copper alloys used in springs, electrical contacts, spot-welding electrodes, and in aero-space applications.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Blanchard mine, Socorro Co., New Mexico, United States
- Formula
- PbS
- Size
- 14 x 8 x 5 cm - Cabinet
- Tagged
- ore mineral
A good specimen full of grey Galena cubes to 1.9cm coated with Anglesite. Associated are Fluorite and Baryte.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Wheal Rock, Porthtowan, St Agnes, Cornwall, England
- Formula
- Cu2FeSnS4
- Size
- 7 x 5 x 6 cm - Sm Cabinet
- Tagged
- ore mineral, sulfide, copper, tin
This is a chunk of Stannite which has a dull grey tarnished surface. It is split and shows a shiny silvery luster. It is a primary ore of tin, although not as common as Cassiterite. Stannite carries 29.6% copper and 27.6% tin. The mineral is chiefly found in high temperature hydrothermal vein deposits. Stannite is relatively soft with a hardness of 4 and has a density of 4.3 - 4.5. This is the type localty.
