Romanorlovite
Romanorlovite is an IMA-recognized mineral species in the halide class, with the chemical formula K₁₁Cu₉Cl₂₅(OH)₄·2H₂O.
It crystallizes in the tetragonal crystal system (space group I4/mmm).
Key properties: Mohs hardness 3; specific gravity 2.61; Yellow streak; Vitreous luster; optically uniaxial.
IMA symbol Ror, IMA status: approved, named in 2014.
Occurs as sublimates around active fumaroles.
It is found associated with Arsenatnaya fumarole: avdoninite, hematite, pseudobrookite, clinoenstatite, diopside, anhydrite, powellite, barite; Glavnaya Tenoritovaya fumarole: avdoninite.
The mineral was named to honor Russian mineralogist and physicist Roman Yu. Orlov (1929-2005), Department of Mineralogy, Moscow State University, Russia.
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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