Origin
Afghanistan, Southern and central Africa
Canada
Color
Grey, White, Colorless, gray, Pale pink, Blue
White, Colorless, Blue, pink
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
-
-
Birthstone
Planetary
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Talisman
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Tenacity
Brittle
Brittle
Solubility
Readily soluble in HF
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Durability
-
-
Specific Gravity
2.86-2.942.45
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None observed
Perfect on {001}, good on {110}
Mohs Hardness
6.5-74-4.5
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
-
Weak
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.517-1.5251.517-1.521
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.004
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Aids in mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Excellent
Reproductive
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Digestive
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Psychology
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Self-Expression
Healing
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Qualities Associated
Harmony
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