Origin
Sri Lanka
India, Italy
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
White, Reddish
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
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.032.08-2.16
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Irregular/uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
distinct/good on {1011}
Mohs Hardness
6-74.5
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
-
Dispersion
0.070.05
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.990-2.1051.478-1.490
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.096-0.0980.005-0.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Optimism