Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Green, gray, White
Greenish, Blue, Colorless, Green, Yellow
Streak
gray, White
Greenish, gray
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
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Solubility
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Durability
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Specific Gravity
3.15-3.2593.17-3.24
1
7.18
👆🏻
Fracture
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Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
(0001) indistinct
Mohs Hardness
5.5-69-9.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
SiCArthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
Weak to moderate
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Dispersion
0.020.10
0.005
1
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Transparency
Transparent
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Refractive Index
1.625-1.7182.648-2.691
1
3.25
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Optic Character
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Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
6H polytype
Birefringence
-99990.043
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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Reproductive
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Digestive
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Psychology
Focus
Clarity
Healing
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Qualities Associated
Protection
Creativity