Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
Greenish, Blue, Colorless, White, Green
Streak
White
White
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
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.503.08-3.12
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
ConchoidalWalter Schumann
Cleavage
Distinct on {100} and {110}
{010} Perfect
Mohs Hardness
5.5-67.5
2
10
👆🏻
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly, Resinous
Vitreous
Pleochroism
-
Weak: colorless-(greenish) yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.540-1.5501.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.004-0.0080.019-0.025
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Optimism
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Communication