Rhodplumsite
Rhodplumsite is a rare rhodium-lead sulfide mineral, chemical formula Rh3Pb2S2.[1]
References
- Handbook of Mineralogy - Rhodplumsite
- Emsley, John. Nature's Building Blocks. Oxford, 2001. ISBN 0-19-850341-5
Although this is a mineral containing large amounts of rhodium, the main ores for rhodium are instead nickel minerals like Garnierite, and it is extracted as a byproduct.
Not much is known about this mineral, besides the fact that its red color is actually not from impurity, and is rather its inherent color, which is a rare trait for a mineral of any kind to have, and seems to be a trait shared only by a few minerals which happen to be sulfides, sulfates, and sulfo-salts.
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