1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Indistinct
{???} Distinct, {???} Distinct, {???} Distinct
1.7 Mohs Hardness
1.8 Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)