Origin
Pakistan, Tanzania
Southern and central Africa
Color
Brown, gray, Green, Blue, rose, Red
Red, Brown, Black
Streak
White, Colorless
Brownish, Red
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
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Talisman
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Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.505.85-6.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Conchoidal
Cleavage
Perfect {010} imperfect {100}
Fair in four directions forming octahedrons
Mohs Hardness
6-73.5-4
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
TranslucentWalter Schumann
Refractive Index
1.685-1.7072.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.006-0.018-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentWalter Schumann
Physical
Neurological
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Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Poor
Reproductive
Supports reproductive health
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Digestive
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Psychology
Transformation
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
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Vitality