Origin
Southern and central Africa
-
Color
Colorless, White, Yellow, Blue, Green, gray
Blue, gray, Black
Streak
White
Blue
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.95-2.963-3.15
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
Good on [110] and on [001]
Mohs Hardness
7-7.56.0-6.5
2
10
👆🏻
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Vitreous, Adamantine
Vitreous, Pearly
Pleochroism
None
Strong
Dispersion
-0.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.658-1.6731.606-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.010-0.011-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
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-
Cardiovascular
Supports heart health
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Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Peace