Fluorphosphohedyphane
Fluorphosphohedyphane is an IMA-recognized mineral species in the phosphate class, with the chemical formula Ca₂Pb₃(PO₄)₃F.
It crystallizes in the hexagonal crystal system (space group P6_3/m). It is a member of the Apatite structural group.
Key properties: Mohs hardness 4; specific gravity 5.445; White streak; Subadamantine luster.
IMA symbol Fphdy, IMA status: approved, named in 2008.
Found in the oxidation zone of a Pb-Cu-Zn-Ag deposit.
It is found associated with Cerussite, chrysocolla, fluorite, fluorapatite, goethite, gypsum, mimetite, opal, phosphohedyphane, plumbogummite, plumbophyllite, plumbotsumite, pyromorphite.
The prefix, fluor, designates the F-analog of phosphohedyphane.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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