1 Physical Properties
2.2 Tenacity
Not Available
Not Available
3.3 Solubility
Not Available
Not Available
3.5 Durability
Not Available
Not Available
3.6 Specific Gravity
3.77-3.952.90-3.10
1
7.18
3.11 Fracture
Not Available
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
3.12 Cleavage
Not Available
Poor/indistinct on {1120} and {1011}
3.13 Mohs Hardness
3.19 Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references