Origin
Southern and central Africa
Southern and central Africa
Color
Greenish, Blue, Colorless, Green, Yellow
Brown, Green, gray, White
Streak
Greenish, gray
gray, White
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
-
-
Durability
-
-
Specific Gravity
3.17-3.243.15-3.259
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
(0001) indistinct
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
9-9.55.5-6
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Adamantine
Vitreous
Pleochroism
-
Weak to moderate
Dispersion
0.100.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.648-2.6911.625-1.718
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.043-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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
Clarity
Focus
Healing
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Qualities Associated
Creativity
Protection