Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Black, Reddish, gray, Red
Streak
White, Brownish
Black, Brown, Reddish, Red
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
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.035.00-5.30
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
6-76
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 2O 3Arthur Thomas , Gemstones (2009)
Luster
Adamantine, Greasy
-
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
O = brownish red; E = yellowish red
Dispersion
0.070.05
0.005
1
👆🏻
Transparency
Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.990-2.1052.690-3.220
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.096-0.0980.280
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Grounding
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Grounding