Origin
Southern and central Africa
-
Color
Black, Reddish, gray, Red
Blue, Green
Streak
Black, Brown, Reddish, Red
Blue
For which Rashi?
Aries, Aquarius
Sagittarius, Capricorn
Planet
Saturn
Venus
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Mars
-
Not to wear with
-
-
Powers
Healing
Psychic Power
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.303.70-3.90
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
63.5-4
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
Visible shades of blue
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent
Refractive Index
2.690-3.2201.720-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.2800.108
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Grounding
Insight
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Insight