Origin
Southern and central Africa
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Color
Colorless, Greenish, Green, gray, Yellow
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
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
-
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Deities
-
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.21-3.383.28-3.44
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
Uneven, Splintery
Cleavage
Perfect on {001}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
6-75.0-6.0
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
Vitreous
Vitreous, Silky
Pleochroism
StrongArthur Thomas
X = blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.670-1.7341.680-1.698
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.006-0.0110.005-0.008
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Empathy
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Empathy
Clear Thinking