Origin
Sri Lanka
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Color
Blue
Yellow, Brownish, Reddish, Green, Red
Streak
-
White, Yellow
For which Rashi?
Sagittarius, Scorpio
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Planet
Pluto
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Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.552.2-2.6
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None, but may exhibit slight parting
None
Mohs Hardness
7.5-83-4
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Luster
Vitreous
Silky
Pleochroism
-
visible: O = Pale yellow E = Canary yellow to yellow orange
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.735-1.7901.575-1.585
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
-
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Respiratory
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Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Spirituality
Healing
-
Emotional healing
Qualities Associated
Transformation
Spiritual Evolution