Rickardite
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Rickardite is a telluride mineral, a copper telluride or Cu3-x Te2. It was first described for an occurrence in the Good Hope Mine, Vulcan district, Gunnison County, Colorado, US, and named for mining
Rickardite on tellurium
Tellurium
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Tellurium is a chemical element; it has the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur, all thr
Pieces of tellurium in a vial
Native tellurium crystal on sylvanite (Vatukoula, Viti Levu, Fiji). Picture width 2 mm.
Klaproth named the new element and credited von Reichenstein with its discovery