Pyromorphite
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Pyromorphite is a mineral species composed of lead chlorophosphate: Pb53Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the form of a hexag
Pyromorphite Santa Eufemia, Cordoba, Spain
A pocket of crystals of pyromorphite from China
Miniature of sharp, lustrous, apple green color crystal "sprays" on matrix
Fine crystals of pyromorphite from Daoping Mine, Guangxi Zhuang Autonomous Region, China
Apatite
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Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ion, respectively, in the crystal. The formula of the admix
Pyromorphite
…a hexagonal pyramid. Crystals with a barrel-like curvature are not uncommon. Globular and reniform masses are also found. Pyromorphite is part of the apatite group of minerals and bears a close resemblance physically and chemically with two other minerals: mimetite (Pb5(AsO4)3Cl) and vanadinite (Pb5(VO4)3Cl…
Apatite (purple), on siderite, from Portugal
Faceted blue apatite, Brazil
Apatite in photomicrographs of a thin section from the Siilinjärvi apatite mine. In cross-polarized light on left, plane-polarized light on right.
An apatite mine in Siilinjärvi, Finland