1 Physical Properties
1.1 Tenacity
1.2 Solubility
Effervesces in cold
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Splintery
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Perfect on {100} and {010}
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.