Origin
Afghanistan, Southern and central Africa
Brazil
Color
Grey, White, Colorless, gray, Pale pink, Blue
Colorless, White, Greenish
Streak
White
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
Brittle
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Solubility
Readily soluble in HF
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Durability
-
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Specific Gravity
2.86-2.942.52-2.60
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
None observed
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6.5-75.5-6
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
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Pleochroism
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Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
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Refractive Index
1.517-1.5251.529-1.560
1
3.25
👆🏻
Optic Character
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Crystal System
Isometric
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Birefringence
-99990.000-0.011
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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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
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Healing
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Emotional healing
Qualities Associated
Harmony
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