Origin
Afghanistan, Southern and central Africa
Kenya, Southern and central Africa
Color
Grey, White, Colorless, gray, Pale pink, Blue
Green, Brown, Yellow, Red
Streak
White
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For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
Readily soluble in HF
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Durability
-
-
Specific Gravity
2.86-2.943.55-3.70
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
-
Cleavage
None observed
Perfect
Mohs Hardness
6.5-74-7
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Greasy
Vitreous
Pleochroism
-
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.517-1.5251.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric
-
Birefringence
-99990.012-0.033
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
-
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Digestive
-
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Psychology
-
Intuition
Healing
-
Emotional healing
Qualities Associated
Harmony
Tranquility