Edenite

minerals

titanite

chondrodite

mica

Images

Formula: NaCa2Mg5(Si7Al)O22(OH)2
Inosilicate (chain silicate) amphibole
Specific gravity: 3.00 to 3.06 (Webmin)
Hardness: 5 to 6
Streak: White
Colour: Green, brown, white
Common impurities: Ti,Mn,K,P
Environments:

Plutonic igneous environments
Metamorphic environments

Edenite occurs in intermediate plutonic igneous rocks and in medium-grade metamorphic rocks such as amphibolite and marble (HOM).

Localities

At Edenville,NewYork,USA, edenite is associated with titanite, mica and chondrodite (HOM).

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