Origin
Southern and central Africa
Italy, China
Color
Black, Reddish, gray, Red
Colorless, White, Blue, gray
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
5.00-5.303.09
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
None, may show partings on {0001} and {10 1 1}
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
68
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
CaAl2Si2O7(OH)2.H2O
Luster
-
Vitreous, Greasy
Pleochroism
O = brownish red; E = yellowish red
Weak
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
-
Refractive Index
2.690-3.2201.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.2800.019-0.021
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
-
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
-