Origin
Southern and central Africa
Vietnam
Color
Black, Reddish, gray, Red
Yellow, Brown, White, orange
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.303.20-3.32
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Poor
Mohs Hardness
66-6.5
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
pale golden yellow or deep golden yellow
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent
Refractive Index
2.690-3.2201.607-1.675
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.280-9999
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Harmony
Healing
Physical healing
Physical healing
Qualities Associated
Grounding
Harmony