Origin
Southern and central Africa
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Black, Reddish, gray, Red
Blue, Violet, Colorless, Red, Green, Brown
Streak
Black, Brown, Reddish, Red
White
For which Rashi?
Aries, Aquarius
Sagittarius, Scorpio
Planet
Saturn
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Mars
Hephaestus
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.303.64-3.66
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal, Uneven
Cleavage
None, may show partings on {0001} and {10 1 1}
None, but may exhibit slight parting
Mohs Hardness
68
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
MgAl2O4
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
Absent
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent
Refractive Index
2.690-3.2201.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.280-9999
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Revitalization
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Vitality