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, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
Not Available
1.6 Cleavage
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
{001} Perfect
1.7 Mohs Hardness
1.8 Chemical Composition
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)