Tenacity
-
Brittle
Solubility
Partly soluble in HCl.
-
Durability
-
-
Specific Gravity
3.32-3.436.50-7.00
1
7.18
👆🏻
Fracture
Conchoidal
Irregular, Conchoidal
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
5.5-63
2
10
👆🏻
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)