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197 results found with "mineral"

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Mineral

This unidentified mineral is in the Sladen collection....

Pyromorphite

The green crystals are a mineral called pyromorphite. Pyromorphite is a phosphate of Lead. It has formed over a mineral called quartz....

Cerussite

This mineral was probably collected in the Teign Valley....

Fluorite

Mineral donated in 1880 by George Down....

Clinoclase

This mineral is beautiful and quite uncommon. The chalcophyllite crystals on this specimen are the teal green ones near the centre. They are hexagonal in shape....

Chalcopyrite

Chalcopyrite from Cornwall. It is a copper iron sulphide mineral....

Sphalerite

An attractive zinc-based mineral from Van Consols Mine....

Gold

Gold donated by WH Reed in 1884....

Gold

Gold donated by WH Reed in 1884....