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0 item @ $0.00  

Actinolite

#PD42436

Actinolite

#PD42436
Availability
Sold
Size
6.5 x 5.5 x 3 cm - Sm Cabinet 
Formula
Ca2(Mg,Fe2+)5Si8O22(OH)2 (RRUFF)
Locality
Schwarzhorn, Geisspfad area, Binn Valley, Wallis, Switzerland

Actinolite is a metamorphic mineral characteristic of greenschist facies. It is typically green, and this color is an uncommon bright green.

Actinolite

Formula
Ca2(Mg,Fe2+)5Si8O22(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Bladed, Radial, Fibrous 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
green, green black, gray green, black 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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