1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.2 Specific Gravity
1.14 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Brittle, Metallic, Brittle, Metallic
1.15 Cleavage
{010} moderate, {100} imperfect
Perfect on {001}
1.16 Mohs Hardness
1.17 Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(Mg,Al)3(Al3Si)O10(OH)2