Origin
Brazil, Colombia, Southern and central Africa
Canada, Russia
Color
Greenish, Blue, Colorless, White, Green
Black, Green, gray
Streak
White
gray, Green
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
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.123.3-3.5
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
{010} Perfect
Perfect on [110]
Mohs Hardness
7.55-6
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Luster
Vitreous
Vitreous
Pleochroism
Weak: colorless-(greenish) yellow
Strong: Blue-greens
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.652-1.699
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.025-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
Promotes psychic abilities and spiritual growth
Cardiovascular
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-
Respiratory
Good
Excellent
Reproductive
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Digestive
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Psychology
Harmony
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Manifestation