Origin
Southern and central Africa
Southern and central Africa
Color
Brown
Black, Brownish, White, Brown
Streak
White
Reddish, 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
-
-
Birthstone
Planetary
-
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Talisman
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-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.284.76-5.03
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{100} Distinct, {001} Poor, {110} Poor
None
Mohs Hardness
6.5-75.5-6.5
2
10
👆🏻
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
-
Pleochroism
Colorless
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.674-1.693-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
Grounding
Insight
Healing
Emotional healing
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Qualities Associated
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Grounding