Tenacity
-
Brittle
Solubility
Partly soluble in HCl.
-
Durability
-
-
Specific Gravity
3.32-3.433.98-4.04
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Imperfect, poor one {100}
Mohs Hardness
5.5-64.5-5
2
10
👆🏻
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references