1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.15-3.215.05-5.22
1
7.18
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
None
1.7 Mohs Hardness
1.8 Chemical Composition
LiAlSi2O6
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)