1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.4 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.6 Specific Gravity
3.55-3.703.95-4.30
1
7.18
1.7 Fracture
Gemstones (2009)
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.8 Cleavage
1.9 Mohs Hardness
1.10 Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)