Pages tagged cummingtonite:

Cummingtonite - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Cummingtonite

Cummingtonite
RT @Cocoia: You can't really make up mineral names like these: http://en.wikipedia.org/wiki/Cummingtonite
"Monoclinic cummingtonite is compositionally similar and polymorphic with orthorhombic anthophyllite, which is a much more common form of magnesium-rich amphibole, the latter being metastable"