Origin
Italy, China
Southern and central Africa
Color
Colorless, White, Blue, gray
Brown, White, Greenish, gray, Green, Brownish
Streak
White
gray
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
-
-
Durability
-
-
Specific Gravity
3.092.9-3.5
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
85.5-6
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
Weak
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.672-1.6761.603-1.690
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.019-0.021-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
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Enhances brain function
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
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-
Psychology
-
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
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Self-discovery