Domerockite
Domerockite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Cu₄(AsO₄)(AsO₃OH)(OH)₃·H₂O.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: Mohs hardness 3; specific gravity 4.44; Pale green streak; Vitreous luster; optically biaxial.
IMA symbol Dom, IMA status: approved, named in 2009.
Found as a secondary mineral in a weathered Cu As sulfide deposit.
It is found associated with Cobaltaustinite, agardite-(Y), arseniosiderite, clinoclase, erythrite, lavendulan, metazeuneite, olivenite, scorodite, smolyaninovite.
The name refers to the mine that yielded the first specimens.
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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