Origin
Southern and central Africa
Southern and central Africa, Zimbabwe, South Africa
Color
Black, Reddish, gray, Red
Green, Blue
Streak
Black, Brown, Reddish, Red
Greenish, White
For which Rashi?
Aries, Aquarius
Virgo
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Mars
Gaia
Not to wear with
-
-
Powers
Healing
Healing
Birthstone
Planetary
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
Decomposed by acids
Durability
-
-
Specific Gravity
5.00-5.302.96
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
-
Cleavage
None, may show partings on {0001} and {10 1 1}
Perfect on {010}
Mohs Hardness
65
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
X: very light bluish green; Y and Z: brilliant bluish green
Dispersion
0.050.04
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
-
Refractive Index
2.690-3.2201.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Triclinic
Birefringence
0.2800.091
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Peace
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Harmony