Origin
Afghanistan, Southern and central Africa
Switzerland
Color
Blue, Greenish, Violet
Colorless, Yellow, Blue, Reddish, Black, Brown, gray
Streak
Blue, White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
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-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
Brittle
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.753.82-3.97
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Imperfect on {110}
Perfect on [001] and [011]
Mohs Hardness
5.55.5-6
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
Weak
Dispersion
0.020.21
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.5002.488-2.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.073
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
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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
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
-