Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.402.90-2.98
1
7.18
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Fracture
Conchoidal
Conchoidal
Cleavage
Perfect
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Mohs Hardness
5-63.5
2
10
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Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references