Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99993.04-3.17
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
-
{001} Indistinct, {???} Indistinct
Mohs Hardness
-99995.5
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, CaO, MgO, FeO
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references