Origin
Southern and central Africa
Mexico
Color
-
Blue, Black
Streak
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Grey, Black, gray
For which Rashi?
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-
Planet
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-
Element of Planets
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-
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
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Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
2.50-2.804.6-4.76
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect
Perfect on {0001}
Mohs Hardness
5-6.5-9999
2
10
👆🏻
Chemical Composition
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
-
Resinous
Pleochroism
-
Marked
Dispersion
0.020.08
0.005
1
👆🏻
Transparency
Transparent
OpaqueAnthony et al
Refractive Index
1.531-1.6001.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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Hexagonal
Birefringence
0.004-0.037-9999
0
0.296
👆🏻
Clarity
Transparent
OpaqueAnthony et al
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Creativity
Transformation
Healing
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Emotional healing
Qualities Associated
Creativity
Manifestation