Origin
Mexico
Madagascar
Color
Blue, Black
Brownish, Black, Reddish, Brown, Blue
Streak
Grey, Black, gray
Reddish, Brown
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Flexible
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.6-4.763.84
1
7.18
👆🏻
Fracture
-
Subconchoidal, Conchoidal
Cleavage
Perfect on {0001}
{0001} good, {10 1 0} parting
Mohs Hardness
-99997.5-8
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Ca,Ce)(Al,Ti,Mg)12O19
Luster
Resinous
Vitreous
Pleochroism
Marked
O = brownish gray; E = gray
Dispersion
0.080.02
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
-
Refractive Index
1.45-2.621.79-1.807
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
-
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Balance