Origin
Southern and central Africa
-
Color
Black, Reddish, gray, Red
Brownish, Black
Streak
Black, Brown, Reddish, Red
Brown
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.303.26
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
None, may show partings on {0001} and {10 1 1}
None
Mohs Hardness
6-9999
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
-
Resinous
Pleochroism
O = brownish red; E = yellowish red
Strong: yellow-brown
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
Translucent
Refractive Index
2.690-3.220-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
-
Birefringence
0.280-9999
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
-
Healing
Physical healing
-
Qualities Associated
Grounding
Protection