Origin
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Southern and central Africa
Color
Yellow, Violet, Green, Brown, White, gray, Greenish
Brown, Black, Blue
Streak
White
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For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
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Ring Metal
-
-
Deities
-
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Elastic
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Solubility
-
-
Durability
-
-
Specific Gravity
2.9-3.12.65
1
7.18
👆🏻
Fracture
Uneven
ConchoidalWalter Schumann
Cleavage
Perfect basal {001}
None
Mohs Hardness
3.5-4.0-9999
2
10
👆🏻
Chemical Composition
-
SiO 2Ulrich Henn and Claudio C.
Luster
Pearly, Vitreous
-
Pleochroism
Distinct
Definite: brown reddish-brownWalter Schumann
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.565-1.6251.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.040-0.0500.009
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Improves digestion and metabolism
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
-
Protection
Healing
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Emotional healing
Qualities Associated
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Protection