Mcgillite

Mcgillite specimen in the Redpath Museum, McGill University.

Mcgillite is a rare, monoclinic, pseudohexagonal mineral of the Pyrosmalite group, with the formula Mn2+
8
Si
6
O
15
(OH)
8
Cl
2
. It was first approved in 1979, and is named for McGill University.

Mcgillite is found in the Sullivan Mine, Kimberley, Kootenay district, British Columbia, Canada; the Kyurazawa mine, Tochigi Prefecture, Japan; and at one location in Romania. At the Sullivan mine, it forms as fracture fillings in a manganese-rich portion of quartzite and argillite within a metamorphosed lead-zinc deposit. It is pink in color.


This page was last updated at 2024-04-17 01:36 UTC. Update now. View original page.

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