Romarchite
Romarchite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula SnO.
It crystallizes in the tetragonal crystal system (space group P4/nmm).
Key properties: specific gravity 6.4.
IMA symbol Rom, IMA status: approved, named in 1969.
Occurs as an alteration product on tin pannikins immersed in a river (Boundary Falls, Canada); replacing herzenbergite replacing cassiterite (Maria-Teresa mine, Bolivia).
It is found associated with Hydroromarchite (Boundary Falls, Canada); abhurite, kutnohorite, aragonite (Sharm Abhur, Saudi Arabia).
The name refers to the Royal Ontario Museum ARCHeology Department.
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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