Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.9
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
{???} Indistinct
Mohs Hardness
3-44.5
2
10
👆🏻
Chemical Composition
Celestite, Andalusite, Feldspar, Dolomite, Gypsum, Halloysite, Kaolinite, Montmorillonite, Sepiolite, Smectite, Vermiculite
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)