Origin
Southern and central Africa
Canada, Pakistan
Color
Black, Reddish, gray, Red
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
Black, Brown, Reddish, Red
White
For which Rashi?
Aries, Aquarius
Virgo, Capricorn
Planet
Saturn
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Mars
-
Not to wear with
-
-
Powers
Healing
Protection
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
5.00-5.302.93-2.96
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Subconchoidal, Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
63.5-4
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Resinous
Pleochroism
O = brownish red; E = yellowish red
StrongArthur Thomas
Dispersion
0.050.17
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent
Refractive Index
2.690-3.2201.525-1.686
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.2800.155
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent
Physical
Neurological
-
Promotes focus and concentration
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Stability
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Centering