Origin
Brazil, Colombia, Southern and central Africa
Australia
Color
Greenish, Blue, Colorless, White, Green
Brown, Reddish, Brownish, Yellow
Streak
White
Brown, Brownish, Yellow
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
-
-
Solubility
-
HCl soluble
Durability
-
-
Specific Gravity
3.08-3.124.27-4.29
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
{010} Perfect
Perfect {010}
Mohs Hardness
7.55-5.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeO(OH)Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
Weak: colorless-(greenish) yellow
VisibleArthur Thomas
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6772.26-2.398
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.0250.138
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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-
Respiratory
Good
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Reproductive
-
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Digestive
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Psychology
Harmony
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Emotional Healing