Origin
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
Southern and central Africa
Color
Colorless, Yellow, pink, Red
Brown, Green, gray, White
Streak
White
gray, White
For which Rashi?
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Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
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-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-2.983.15-3.259
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
-
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
7.5-85.5-6
2
10
👆🏻
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) 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
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Weak to moderate
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.650-1.6951.625-1.718
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.016-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
Excellent
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Reproductive
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Digestive
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Psychology
Clarity
Focus
Healing
Emotional healing
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Qualities Associated
Spiritual Activation
Protection