1 Physical Properties
1.2 Tenacity
Not Available
Not Available
1.3 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.6 Specific Gravity
1.9 Fracture
Conchoidal
Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle
1.10 Cleavage
none, may show indistinct parting
None
1.11 Mohs Hardness
1.12 Chemical Composition
(Mg,Fe)3Al2Si3O12
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)