Clinojimthompsonite
Clinojimthompsonite is an IMA-recognized mineral species in the silicate class, with the chemical formula Mg₅Si₆O₁₆(OH)₂.
It crystallizes in the monoclinic crystal system (space group C2/c).
Key properties: specific gravity 3.01.
IMA symbol Cjim, IMA status: approved, named in 1977.
Found in the black wallrock between chlorite and actinolite zones of a metamorphosed ultramafic body.
It is found associated with Chesterite, clinojimthompsonite, anthophyllite, cummingtonite, talc.
The name refers to its monoclinic crystallography and relation to jimthompsonite.
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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