Origin
Sri Lanka
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Yellow, White, Green, Brown, Greenish, gray
Streak
White, Brownish
Grey, gray
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.033.20-3.25
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Good/distinct on [210]
Mohs Hardness
6-75.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine, Greasy
Vitreous, Pearly
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Pale green to pale orange
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.990-2.1051.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Orthorhombic
Birefringence
0.096-0.0980.009-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Poor
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Reproductive
-
-
Digestive
-
-
Psychology
Focus
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Grounding