Origin
Austria
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Color
Brown, Green, Brownish, Black, Yellow, gray
Brown, Blue, Green, Yellow, White
Streak
White
White
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
-
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Specific Gravity
3.25-3.503.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal, Fibrous
Conchoidal
Cleavage
{001} perfect and {100} imperfect
Poor on {110} and {100} very poor on {001}
Mohs Hardness
6-76-7
2
10
👆🏻
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Vitreous, Resinous
Vitreous, Resinous
Pleochroism
Strong
slight in colored varieties
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.729-1.7681.703-1.752
1
3.25
👆🏻
Optic Character
-
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Crystal System
monoclinic
tetragonal
Birefringence
0.019-0.0460.004-0.006
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Calms digestive issues
Supports heart health
Respiratory
Good
Good
Reproductive
Supports healthy digestion
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Digestive
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Psychology
Abundance
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Manifestation
Transformation