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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Tremolite-Tremolite
Tremolite
Chemical
Formula
 Ca2Mg5Si8O22(OH)2
Species
 Silicates
Crystal
System
 Monoclinic
Mohs
Scale
 5-6
Specific
Gravity
 2.99-3.03
Color
 White, gray, lavender to pink, light green, light yellow
Streak
 White
Luster
 Vitreous, Silky
Refractive
Index
 n = 1.599 - 1.612 n = 1.613 - 1.626 n = 1.625 - 1.637
Diaphaneity
 Transparent, Translucent
Cleavage
 Perfecton
Crystal Habit：Elongated prismatic, or flattened crystals; also as fibrous, granular or columnar aggregates
Geological Setting：Contact metamorphism of Ca-Mg siliceous sediments, regional greenschist metamorphism of ultramafic rocks or magnesium carbonate rocks.
Tremolite7981
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