1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.702.90-3.00
1
7.18
1.5 Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
1.2 Mohs Hardness
1.14 Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references