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, Uneven, Brittle, Uneven
Conchoidal, Brittle, Conchoidal
1.6 Cleavage
Perfect on {001}, imperfect on {110}
Good on [110] and on [001]
1.7 Mohs Hardness
1.8 Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
[ ]Na2(Mg3Al2)Si8O22(OH)2