Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99995.35
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
Perfect on {100}, imperfect on {001}
Mohs Hardness
3-42.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)