Origin
Austria
Southern and central Africa
Color
Brown, Green, Brownish, Black, Yellow, gray
Brown, Reddish, pink, orange
Streak
White
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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
3.25-3.503.82-4.00
1
7.18
👆🏻
Fracture
Conchoidal, Fibrous
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Cleavage
{001} perfect and {100} imperfect
{???} Indistinct
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
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Strong
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Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
TransparentAnthony et al
Refractive Index
1.729-1.7681.763-1.793
1
3.25
👆🏻
Optic Character
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Crystal System
monoclinic
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Birefringence
0.019-0.046-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Calms digestive issues
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Respiratory
Good
Good
Reproductive
Supports healthy digestion
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Digestive
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Psychology
Abundance
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Healing
Physical healing
Physical healing
Qualities Associated
Manifestation
Harmony