Origin
Southern and central Africa
Southern and central Africa
Color
Blue
Black, Reddish, gray, Red
Streak
-
Black, Brown, Reddish, Red
For which Rashi?
Leo, Gemini, Capricorn
Aries, Aquarius
Planet
Uranus
Saturn
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Frigg
Mars
Not to wear with
-
-
Powers
Protection
Healing
Birthstone
Planetary
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
-99995.00-5.30
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
76
2
10
👆🏻
Chemical Composition
SiO2 with gold
Fe 2O 3Arthur Thomas , Gemstones (2009)
Luster
-
-
Pleochroism
-
O = brownish red; E = yellowish red
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
-
OpaqueHerve Nicolas Lazzarelli
Refractive Index
-99992.690-3.220
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
-99990.280
0
0.296
👆🏻
Clarity
-
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
Aids in communication and self-expression
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Grounding
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Grounding