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
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Not Available
1.6 Cleavage
Perfect on {001}, good on {010}
{???} Distinct, {???} Distinct, {???} Distinct
1.7 Mohs Hardness
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)