Origin
Italy, China
USA
Color
Colorless, White, Blue, gray
White
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
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-
Ring Metal
-
-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.094.28-4.42
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Distinct on [010] and [100] poor on [101]
Mohs Hardness
85-5.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak
colorless.
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
OpaqueAnthony et al, Opaque, Transparent
Refractive Index
1.672-1.6761.760-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.019-0.0210.012
0
0.296
👆🏻
Clarity
-
OpaqueAnthony et al
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
-
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
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Optimism