Origin
Kenya, Southern and central Africa
Australia, Spain, Brazil, Germany
Color
Green, Brown, Yellow, Red
Green, Blue, Colorless
Streak
-
White
For which Rashi?
-
Virgo
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.55-3.702.42-2.58
1
7.18
👆🏻
Fracture
-
Conchoidal, Splintery, ConchoidalWalter Schumann
Cleavage
Perfect
[010] perfect
Mohs Hardness
4-74-5
2
10
👆🏻
Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
AlPO4 · 2(H2O)
Luster
Vitreous
Vitreous, Waxy
Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Translucent, Opaque . May be translucent when backlit on the edges.
Refractive Index
1.710-1.7351.560-1.594
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
-
Orthorhombic
Birefringence
0.012-0.0330.031
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Tranquility
Harmony