Tenacity
-
Sectile
Solubility
-
-
Durability
-
-
Specific Gravity
3.62-4.332.39
1
7.18
👆🏻
Fracture
Uneven
Irregular
Cleavage
Indiscernible
Perfect on {0001}
Mohs Hardness
7-7.52.5
2
10
👆🏻
Chemical Composition
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)