Malachite

Hohenlimburg Quarry | Hohenlimburg | Hagen | North Rhine-Westphalia | Germany

Size: 4.8 x 3.4 x 2.8 cm

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This is an exceptionally beautiful Malachite specimen from the Hohenlimburg limestone quarry near the town of Hagen in northwest Germany. Sev ...

Glaukosphaerite

Kasompi Mine | Mutshatsha | Lualaba | Dem. Rep. of Congo

Size: 6.9 x 4.9 x 2.2 cm

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Glaucosphaerite is an extremely rare Copper-Nickel Carbonate and this exceptional specimen is literally covered in light green, acicular Glau ...

Glaucodot

Tunaberg | Nyköping | Södermanland County | Sweden

Size: 1.4 x 1.0 x 0.9 cm

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A textbook crystallized Glaucodot crystal associated with two smaller "cousins" from the world-famous Swedish site of Tunaberg. Although the ...

Gahnite

Franklin Mine | Franklin | Sussex Co. | New Jersey | USA

Size: 3.0 x 2.2 x 2.1 cm

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A jet-black Gahnite octahedron perched on a Calcite cleave from the famous Franklin Mine in New Jersey. Gahnite is a relatively rare Zinc-Alu ...