Origin
-
Russia
Color
Blue, gray, Black
Colorless, Greenish, Yellow, White, pink
Streak
Blue
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3-3.152.54-2.61
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Good on [110] and on [001]
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
Mohs Hardness
6.0-6.56
2
10
👆🏻
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
Strong
colorless.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.606-1.6371.518-1.536
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
-99990.0050-0.0060
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Emotional Balance
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Harmony