2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.3 Solubility
Not Available
Not Available
2.6 Durability
Not Available
Not Available
2.7 Specific Gravity
Not Available4.392
1
7.18
2.10 Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.12 Cleavage
Not Available
{010} moderate, {100} imperfect
2.14 Mohs Hardness
2.15 Chemical Composition
Not Available
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)