Origin
Mexico
Southern and central Africa
Color
Blue, Black
Brown, Black, Blue
Streak
Grey, Black, gray
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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
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Birthstone
Planetary
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Talisman
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Tenacity
Flexible
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Solubility
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Durability
-
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Specific Gravity
4.6-4.762.65
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
Perfect on {0001}
None
Mohs Hardness
-9999-9999
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.
Luster
Resinous
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Pleochroism
Marked
Definite: brown reddish-brownWalter Schumann
Dispersion
0.080.01
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
Transparent, Translucent
Refractive Index
1.45-2.621.544-1.553
1
3.25
👆🏻
Optic Character
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Crystal System
Hexagonal
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Birefringence
-99990.009
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
Transparent
Physical
Neurological
Enhances mental clarity and focus
Improves digestion and metabolism
Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Transformation
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Protection