Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.1-3.26.50-7.00
1
7.18
👆🏻
Fracture
-
Irregular, Conchoidal
Cleavage
Vitreous, pearly on cleavage
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
3-43
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)