Origin
Canada
Southern and central Africa
Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
Brown, Green, gray, White
Streak
White
gray, White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.72-2.833.15-3.259
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
Good on {100} and {110}
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
6-75.5-6
2
10
👆🏻
Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Weak to moderate
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.610-1.6471.625-1.718
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.021-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
-
-
Psychology
-
Focus
Healing
Emotional healing
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Qualities Associated
Inner Peace
Protection