Origin
Sri Lanka
-
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Red
Streak
White, Brownish
White
For which Rashi?
-
Taurus, Leo
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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Isis, Bragi
Not to wear with
-
-
Powers
-
Protection, Healing, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.032.58-2.64
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, Splintery, Conchoidal
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Absent
Mohs Hardness
6-76.5-7
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
-
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent, Transparent to nearly opaque
Refractive Index
1.990-2.1051.535-1.539
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.096-0.0980.003-0.009
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Motivation
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Courage