Pyrite discs, also known as pyrite suns or pyrite dollars, are a form of pyrite in which the crystallization structure forms a disc with radial striations. Pyrite discs are unique to the area ...
The Sun News on MSN3mon
Chunk of ‘fool’s gold’ found in New York — containing 450-million-year-old new species“Pyrite is a very dense mineral, and so fossils from this layer can be CT scanned to reveal hidden details of their anatomy.
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