Origin
Southern and central Africa
Southern and central Africa
Color
Black, Reddish, gray, Red
Red, Brown, Black
Streak
Black, Brown, Reddish, Red
Brownish, Red
For which Rashi?
Aries, Aquarius
-
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Mars
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.305.85-6.15
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Fair in four directions forming octahedrons
Mohs Hardness
63.5-4
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine
Pleochroism
O = brownish red; E = yellowish red
visible
Dispersion
0.050.05
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
TranslucentWalter Schumann
Refractive Index
2.690-3.2202.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
cubic
Birefringence
0.280-9999
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Vitality
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Vitality