Origin
Sri Lanka
Southern and central Africa
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Green, Yellow, Red, Blue
Streak
White, Brownish
Black
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
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.032.80-3.0
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
-
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
{110} Good
Mohs Hardness
6-73
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFeS2•2(H2O)
Luster
Adamantine, Greasy
Vitreous, Silky
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Extreme
Dispersion
0.070.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.990-2.1051.580
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
0.096-0.098-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
-
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Optimism
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Growth