Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.005.90-6.10
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
5-5.52.5-3
2
10
👆🏻
Chemical Composition
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references