Origin
-
Southern and central Africa
Color
Blue, gray, Black
Violet, Blue, Yellow, Brown, White, Colorless
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
3-3.153.1-3.25
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Good on [110] and on [001]
Indistinct
Mohs Hardness
6.0-6.55
2
10
👆🏻
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous, Resinous
Pleochroism
Strong
Weak to strong if coloreD
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.606-1.6371.631-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Clarity