Origin
Austria
Southern and central Africa
Color
Brown, Green, Brownish, Black, Yellow, gray
Black, Brownish, Brown
Streak
White
Brown
For which Rashi?
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Planet
-
-
Element of Planets
-
-
Energy
-
-
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
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.504.5-4.8
1
7.18
👆🏻
Fracture
Conchoidal, Fibrous
Uneven
Cleavage
{001} perfect and {100} imperfect
None, parting may develop along {111}
Mohs Hardness
6-75.5
2
10
👆🏻
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe++Cr2O4
Luster
Vitreous, Resinous
-
Pleochroism
Strong
none.
Dispersion
0.030.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.729-1.7682.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.019-0.046-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Calms digestive issues
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Respiratory
Good
Poor
Reproductive
Supports healthy digestion
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Digestive
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Psychology
Abundance
Vitality
Healing
Physical healing
Emotional healing
Qualities Associated
Manifestation
Protection