1 Physical Properties
1.1 Tenacity
1.4 Solubility
Not Available
Not Available
1.7 Durability
Not Available
Not Available
1.8 Specific Gravity
2.65-2.873.50-3.60
1
7.18
1.9 Fracture
Not Available
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
1.10 Cleavage
Not Available
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
1.11 Mohs Hardness
1.19 Chemical Composition
Not Available
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.