Pyromorphite Crystals on Quartz, Wheatley Mine, Penn.
Bright green Pyromorphite crystals on white Quartz from the Wheatley Mine, Phoenixville, Pennsylvania.
Pyromorphite is lead chlorophosphate, with a formula of Pb5(PO4)3Cl.
The name is from the Greek word pyr meaning “fire” and morphe, "form".
Measures 2 7/8 x 2 3/8 x 2 inches.
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