Origin
Sri Lanka
Canada, Southern and central Africa, Italy, Australia, India
Color
Red, Brown, Black
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
Brown
White
For which Rashi?
-
Virgo
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.142.69-2.79
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{1011} Indistinct
Poor on {0001}
Mohs Hardness
-99995.5-6.5
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Pale yellow colorlessAnthony et al
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.614-1.6661.607-1.612
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
0.014-0.0320.003
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Empowerment
Spiritual Protection