1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.70-4.103.83-3.89
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
2.6 Cleavage
Not Available
Perfect on {01 1 1}
2.7 Mohs Hardness
2.14 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references