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An orange quartz cluster coated with iron oxide from Maolong Mines, Wa State, Shan State, Myanmar.
A typical quartz specimen from Dalnegorsk, Russia.
Calcite specimen from Banska Stiavnica Mining District, central Slovakia.
Chalcedony on chrysocolla from Ray Mine, Arizona, USA.
Vanadinite crystals evenly coating baryte blades from Mibladen, Morocco.

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