Origin
Southern and central Africa
Mexico
Color
-
Blue, Black
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
3.62-3.804.6-4.76
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None
Perfect on {0001}
Mohs Hardness
7-7.5-9999
2
10
👆🏻
Chemical Composition
Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
-
Resinous
Pleochroism
-
Marked
Dispersion
0.020.08
0.005
1
👆🏻
Transparency
-
OpaqueAnthony et al
Refractive Index
1.720-1.7401.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueAnthony et al
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Manifestation