Origin
Southern and central Africa
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Color
Brown, Green, gray, White
Brownish, Black
Streak
gray, White
Brown
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
-
-
Specific Gravity
3.15-3.2593.26
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
None
Mohs Hardness
5.5-6-9999
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous
Resinous
Pleochroism
Weak to moderate
Strong: yellow-brown
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.625-1.718-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
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Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
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
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Healing
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Qualities Associated
Protection
Protection