Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.55-2.634.39
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Perfect, {010} Good
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6-6.57.5-8
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)