Origin
Southern and central Africa
Southern and central Africa
Color
Red
Red, Brown, Black
Streak
-
Brownish, Red
For which Rashi?
Aries
-
Planet
Mars
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Black Madonna, Isis
-
Not to wear with
-
-
Powers
Courage
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.63-2.655.85-6.15
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Indiscernible
Fair in four directions forming octahedrons
Mohs Hardness
73.5-4
2
10
👆🏻
Chemical Composition
SiO2
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
visible
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Opaque
TranslucentWalter Schumann
Refractive Index
1.54-1.552.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Opaque
TranslucentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Courage
Vitality
Healing
Physical healing
Emotional healing
Qualities Associated
Detoxification
Vitality