Origin
Austria
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Color
Colorless, White, Red, gray, pink
Blue, Green
Streak
White
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
Soluble
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Durability
-
-
Specific Gravity
2.783.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {10 1 }; parting on {010}
perfect along [010] and [100]
Mohs Hardness
3.53.5-4
2
10
👆🏻
Chemical Composition
K2Ca2Mg(SO4)4·2H2O
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.546-1.5481.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.0210.063
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
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Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
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Psychology
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Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Emotional Healing
Communication