Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.90-6.103.19-3.56
1
7.18
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Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
{110} Perfect, {010} Indistinct
Mohs Hardness
2.5-35.5-6
2
10
👆🏻
Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)