1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Subconchoidal, Uneven, Conchoidal, Uneven
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
1.6 Cleavage
Poor on {100}
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references