Origin
Southern and central Africa
Australia, Spain, Brazil, Germany
Color
Colorless, Greenish, Green, gray, Yellow
Green, Blue, Colorless
Streak
White
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.21-3.382.42-2.58
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
Conchoidal, Splintery, ConchoidalWalter Schumann
Cleavage
Perfect on {001}
[010] perfect
Mohs Hardness
6-74-5
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
AlPO4 · 2(H2O)
Luster
Vitreous
Vitreous, Waxy
Pleochroism
StrongArthur Thomas
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Translucent, Opaque . May be translucent when backlit on the edges.
Refractive Index
1.670-1.7341.560-1.594
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.006-0.0110.031
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Empathy
Harmony