
White crystal aggregates of the extremely rare mineral kamaishilite from the TL in Kamaishi mine in Japan. Ex Vandenbroucke Museum collection from Waregem, Belgium. — Photo: David Hospital · CC BY 4.0
Kamaishilite
Kamaishilite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₂(SiAl₂)O₆(OH)₂.
It crystallizes in the tetragonal crystal system.
Key properties: specific gravity 2.82.
IMA symbol Kam, IMA status: approved, named in 1980.
Found in vesuvianite skarn in a marble, apparently altering from vesuvianite.
It is found associated with Vesuvianite, perovskite, calcite, magnetite, chalcopyrite.
The name refers to the Kamaishi mine, Japan.
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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