Origin
Italy, China
Southern and central Africa
Color
Colorless, White, Blue, gray
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
Streak
White
White
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.092.50
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Distinct on {100} and {110}
Mohs Hardness
85.5-6
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous, Pearly, Resinous
Pleochroism
Weak
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.672-1.6761.540-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.019-0.0210.004-0.008
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
-
-
Psychology
-
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Spiritual Growth