Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Green, gray, White
Brown, Brownish, White, Colorless, Yellow
Streak
gray, White
White
For which Rashi?
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Planet
-
-
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
-
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Birthstone
Planetary
-
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Talisman
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-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.15-3.2591.58-1.60
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{011} Imperfect
Mohs Hardness
5.5-62
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
Weak: yellowish brown yellowAnthony et al
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.625-1.7181.509-1.541
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-
Birefringence
-99990.030
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Focus
Happiness
Healing
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Emotional healing
Qualities Associated
Protection
Abundance