Pyromorphite, green Crystals, Phoenixville, Penn.
A nice large specimen with green crystals of Pyromorphite on matrix from the New Chester County Mine, Phoenixville, Chester County, 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 10.3 x 7.7 x 5.8 centimeters
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