Origin
Sri Lanka
Brazil
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Yellow
Streak
White, Brownish
Greenish, Black, Brownish
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
insoluble
insoluble in water
Durability
-
-
Specific Gravity
6.86-7.035.00-5.20
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Conchoidal, ConchoidalWalter Schumann
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Indistinct on {001}; partings on {011} and {111}
Mohs Hardness
6-76-6.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine, Greasy
-
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
-
Dispersion
0.070.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.990-2.105-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Isometric
Birefringence
0.096-0.098-9999
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
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Manifestation
Abundance