1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.2 Durability
Not Available
Not Available
1.4 Specific Gravity
1.6 Fracture
Gems, Sixth Edition (2006)
ConchoidalGemdat.org, Uneven
1.7 Cleavage
Indiscernible
{111} Indistinct, {111} Indistinct, {111} Indistinct
1.8 Mohs Hardness
1.11 Chemical Composition
SiO2
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)