Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.05-3.083.32
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal
-
Cleavage
Poor on {100}
{???} Distinct, {???} Distinct, {???} Distinct
Mohs Hardness
5-9999
2
10
👆🏻
Chemical Composition
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)