Origin
India, Southern and central Africa, Madagascar
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Color
Black, Brownish, Greenish
Green
Streak
Brown
Green, Grey
For which Rashi?
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Planet
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-
Element of Planets
-
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Energy
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-
How to Wear?
Finger
-
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
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Solubility
-
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Durability
-
-
Specific Gravity
3.18-3.222.6-3.3
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Lamellar
Cleavage
{1011} Indistinct
Perfect 001
Mohs Hardness
-99992-2.5
2
10
👆🏻
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Very strong: yellow-brown pale yellow
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Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.635-1.6721.57-1.67
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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monoclinic
Birefringence
0.025-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
-
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Digestive
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Psychology
Protection
Calmness
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection & Grounding
Cleansing