1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.2 Durability
Not Available
Not Available
1.4 Specific Gravity
1.15 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
ConchoidalArthur Thomas, Gemstones (2009)
1.16 Cleavage
[100] [001] perfect
None, but may exhibit slight parting
1.17 Mohs Hardness
1.18 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)