Tenacity
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
5.90-6.103.25-3.35
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
Perfect in three directions
Mohs Hardness
2.5-35
2
10
👆🏻
Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references