Origin
Southern and central Africa
Southern and central Africa
Color
Black, Reddish, gray, Red
Red
Streak
Black, Brown, Reddish, Red
-
For which Rashi?
Aries, Aquarius
Aries
Deities
Mars
Black Madonna, Isis
Specific Gravity
5.00-5.30
2.63-2.65
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
-
Cleavage
None, may show partings on {0001} and {10 1 1}
Indiscernible
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
SiO2
Pleochroism
O = brownish red; E = yellowish red
-
Transparency
OpaqueHerve Nicolas Lazzarelli
Opaque
Refractive Index
2.690-3.220
1.54-1.55
Crystal System
Trigonal
Trigonal
Birefringence
0.280
-9999
Clarity
OpaqueHerve Nicolas Lazzarelli
Opaque
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Psychology
Grounding
Courage
Healing
Physical healing
Physical healing
Qualities Associated
Grounding
Detoxification