Origin
Southern and central Africa
Tanzania, Sri Lanka, China
Color
Black, Reddish, gray, Red
Colorless
Streak
Black, Brown, Reddish, Red
White
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
5.00-5.303.60-3.61
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Imperfect/fair/absent
Mohs Hardness
68-8.5
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
Weak
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
-
Refractive Index
2.690-3.2201.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Hexagonal
Birefringence
0.2800.055
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Transformation
Healing
Physical healing
Physical healing
Qualities Associated
Grounding
Spiritual Growth