Reichenbachite (Kipushi, Katanga, RDC). Natur Musee, Luxembourg — Photo: Ji-Elle · CC BY-SA 3.0
Reichenbachite
Reichenbachite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Cu₅(PO₄)₂(OH)₄.
It crystallizes in the monoclinic crystal system (space group P2_1/a).
Key properties: Mohs hardness 3.5; specific gravity 4.37; Pale green streak; Vitreous luster; optically biaxial.
IMA symbol Rbh, IMA status: approved, named in 1985.
A rare secondary mineral found in the oxidized zone of hydrothermal copper deposits.
It is found associated with Pseudomalachite, malachite, duftite, bayldonite, mimetite, quartz (Reichenbach, Germany).
The name refers to Reichenbach, Germany, the original locality.
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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