1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.58-2.803.20-3.30
1
7.18
1.13 Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Not Available
1.14 Cleavage
1.15 Mohs Hardness
1.16 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.