Edenite

inosilicate

marble

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
Environments:

Plutonic igneous environments
Metamorphic environments

Edenite occure in plutonic igneous rocks and in medium-grade metamorphic rocks such as marble.

Common impurities: Ti,Mn,K,P

Back to Minerals