Origin
Southern and central Africa
China, Canada
Color
Brown, Green, gray, White
Green, Yellow, Brown, White, gray, Black
Streak
gray, White
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For which Rashi?
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Planet
-
-
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
3.15-3.2592.90-3.10
1
7.18
👆🏻
Fracture
-
Splintery, Granular
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
None
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Weak to moderate
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.625-1.7181.600-1.627
1
3.25
👆🏻
Optic Character
-
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Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
monoclinic
Birefringence
-99990.027
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
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Aids in 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
Focus
Emotional Balance
Healing
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Physical healing
Qualities Associated
Protection
Healing