Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
3.25-3.353.79-3.94
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Lamellar, Splintery
Cleavage
Perfect in three directions
{100} Good, {001} Good, {010} Poor
Mohs Hardness
54
2
10
👆🏻
Chemical Composition
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeAs