Origin
Southern and central Africa
Switzerland
Color
Brown
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
For which Rashi?
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Planet
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-
Element of Planets
-
-
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.283.7-3.8
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{100} Distinct, {001} Poor, {110} Poor
Distinct on {010}
Mohs Hardness
6.5-77-7.5
2
10
👆🏻
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Resinous
Pleochroism
Colorless
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.674-1.6931.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
monoclinic
Birefringence
-99990.009-0.015
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Grounding
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
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Protection