Origin
Italy, Canada
Southern and central Africa
Color
Blue, Red, Yellow, Colorless, Green, White
Brown, Green, gray, White
Streak
White
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.103.15-3.259
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Poor/indistinct on {1120} and {1011}
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
75.5-6
2
10
👆🏻
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
Pale green
Weak to moderate
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6661.625-1.718
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.014-0.032-9999
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
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Psychology
Emotional healing
Focus
Healing
Emotional healing
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Qualities Associated
Emotional Healing
Protection