Kanoite

kanoite

spessartine

cummingtonite

pyroxmangite

Images

Formula: MnMgSi₂O₆
Inosilicate, single chain, clinopyroxene subgroup, pyroxene group, manganese-bearing mineral, paramorph of donpeacorite
Crystal System: Monoclinic
Specific gravity: 3.66 measured, 3.60 calculated
Hardness: 6
Streak: Pale brown to white
Colour: Pinkish brown
Common impurities: Al,Fe,Ca,Na,K
Environments

Metamorphic environments

Localities

At the type locality, the Tatehira mine, Kumaishi, Yakumo, Futami District, Oshima Subprefecture, Hokkaidō Prefecture, Japan. kanoite occurs in a seam 1 to 2 cm thick and 30 cm long in pyroxmangite - cummingtonite metamorphic rock. The seam contains kanoite, spessartine, manganese-bearing cummingtonite and minor pyroxmangite; the kanoite grains are 0.1 mm in maximum size (AM 63.598-600).
Kanoite from the Tatehira Mine - Image

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