Origin
Southern and central Africa
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Black, Reddish, gray, Red
Green, Brown, Colorless, Greenish, Yellow
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
5.00-5.303.25-3.45
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal, Uneven
Cleavage
None, may show partings on {0001} and {10 1 1}
Good on {110}
Mohs Hardness
66.5
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
X = colorless to green; Y = colorless
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
-
Refractive Index
2.690-3.2201.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.2800.012-0.017
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Self-worth