Origin
Switzerland
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Color
Brown, Brownish, Yellow, Black, Reddish
Black, Brown
Streak
White, gray
Black
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
Brittle
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Solubility
-
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Durability
-
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Specific Gravity
3.7-3.85.2
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
Distinct on {010}
None
Mohs Hardness
7-7.55.5-6.5
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Fe 3O 4Ulrich Henn and Claudio C.
Luster
Resinous
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Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
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Dispersion
0.020.20
0.005
1
👆🏻
Transparency
-
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Refractive Index
1.736-1.7622.42
1
3.25
👆🏻
Optic Character
-
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Crystal System
monoclinic
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Birefringence
0.009-0.015-9999
0
0.296
👆🏻
Clarity
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Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Supports digestive health
Psychology
Protection
Grounding
Healing
Physical healing
Physical healing
Qualities Associated
Protection
Energy