Origin
USA
Kenya, Southern and central Africa
Color
Yellow, Red, Green, Colorless, orange
Green, Brown, Yellow, Red
Streak
Yellow, yellowish orange
-
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
5.50-5.903.55-3.70
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
Perfect
Mohs Hardness
44-7
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Subadamantine, Resinous
Vitreous
Pleochroism
Very weak
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.160.02
0.005
1
👆🏻
Transparency
TransparentRobert C. Kammerling
Transparent
Refractive Index
2.013-2.0291.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Hexagonal
-
Birefringence
0.0160.012-0.033
0
0.296
👆🏻
Clarity
TransparentRobert C. Kammerling
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Intuition
Healing
-
Emotional healing
Qualities Associated
-
Tranquility