Origin
Southern and central Africa
Russia
Color
Brown, Green, gray, White
Black, Violet, Blue, Green
Streak
gray, White
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For which Rashi?
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Gemini, Virgo
Planet
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Mercury
Element of Planets
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Earth
Energy
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How to Wear?
Finger
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Ring Metal
-
-
Deities
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Not to wear with
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Powers
-
-
Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
-
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Durability
-
-
Specific Gravity
3.15-3.2593.22-3.40
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
1,2 prismatic.
Mohs Hardness
5.5-65-6
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,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.625-1.7181.668-1.703
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
-99990.024-0.030
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Focus
Renewal
Healing
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Physical healing
Qualities Associated
Protection
Love