Origin
Southern and central Africa
Sri Lanka
Color
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, Greenish
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
White
White, 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
Durability
-
-
Specific Gravity
2.506.86-7.03
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Distinct on {100} and {110}
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
5.5-66-7
2
10
👆🏻
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly, Resinous
Adamantine, Greasy
Pleochroism
-
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.020.07
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.540-1.5501.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
tetragonal
Birefringence
0.004-0.0080.096-0.098
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Optimism
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Manifestation