Origin
Southern and central Africa
Italy
Color
Colorless, White, Yellow, Blue, Green, gray
Red, Reddish, Brown, Black, Yellow
Streak
White
Red
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
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.95-2.96-9999
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
None
[001] good, [100] distinct
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)
Luster
Vitreous, Adamantine
Vitreous
Pleochroism
None
visible
Dispersion
-0.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.658-1.6731.725-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.010-0.0110.025-0.076
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Spiritual growth
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Balance