Origin
Sri Lanka
Canada, Russia, Brazil
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Brown, Red, Yellow, Violet
Streak
White, Brownish
White
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
H₂SO₄
Durability
-
-
Specific Gravity
6.86-7.032.74-3.00
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
6-75-5.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Weak: O= colorless
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.990-2.1051.591-1.633
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.096-0.0980.003-0.010
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Self-Love