Origin
Southern and central Africa
Southern and central Africa
Color
Brown
Red, Brown, Black
Streak
White
Brownish, Red
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
Solubility
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Durability
-
-
Specific Gravity
3.25-3.285.85-6.15
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{100} Distinct, {001} Poor, {110} Poor
Fair in four directions forming octahedrons
Mohs Hardness
6.5-73.5-4
2
10
👆🏻
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Colorless
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
TranslucentWalter Schumann
Refractive Index
1.674-1.6932.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
TranslucentWalter Schumann
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Poor
Reproductive
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Digestive
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Psychology
Grounding
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
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Vitality