Origin
Mexico
Southern and central Africa
Color
Blue, Black
Green
Streak
Grey, Black, gray
-
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
4.6-4.762.66-2.86
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
Perfect on {0001}
Indiscernible
Mohs Hardness
-99997.5-8
2
10
👆🏻
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Al 2Be 3Si 6O 18Martin H.
Luster
Resinous
-
Pleochroism
Marked
Strongly dichroicMartin H. Read
Dispersion
0.080.01
0.005
1
👆🏻
Transparency
OpaqueAnthony et al
-
Refractive Index
1.45-2.621.59
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
-99990.004-0.010
0
0.296
👆🏻
Clarity
OpaqueAnthony et al
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Creativity
Healing
Emotional healing
-
Qualities Associated
Manifestation
Creativity