Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
Black, Reddish, gray, Red
Greenish, Blue, Colorless, White, Green
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.303.08-3.12
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
ConchoidalWalter Schumann
Cleavage
None, may show partings on {0001} and {10 1 1}
{010} Perfect
Mohs Hardness
67.5
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
O = brownish red; E = yellowish red
Weak: colorless-(greenish) yellow
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
OpaqueHerve Nicolas Lazzarelli
-
Refractive Index
2.690-3.2201.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.2800.019-0.025
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Communication