1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Irregular/uneven
Uneven, Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
Perfect on {001}, imperfect on {110}
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
(K,Na)Ca4Si8O20(F,OH)•8(H2O)