1 Physical Properties
1.1 Tenacity
1.3 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.6 Specific Gravity
3.70-4.104.33-4.42
1
7.18
1.9 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.10 Cleavage
1.12 Mohs Hardness
1.16 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.