Origin
Kenya, Southern and central Africa
Switzerland, Australia, Brazil
Color
Green, Brown, Yellow, Red
Yellow, Colorless, White, Brownish, Reddish
Streak
-
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
-
-
Durability
-
-
Specific Gravity
3.55-3.705.9-6.3
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
Perfect
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
4-74.5-5
2
10
👆🏻
Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
Translucent, Transparent
Refractive Index
1.710-1.7351.918-1.936
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
-
tetragonal
Birefringence
0.012-0.0330.016
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Tranquility
Balance & Clarity