Origin
Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
White
Blue
Streak
-
Blue
For which Rashi?
Gemini
-
Planet
-
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Neptune, Tiamat
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.905.35
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
3,1 basal
Perfect on {100}, imperfect on {001}
Mohs Hardness
7.5-82.5
2
10
👆🏻
Chemical Composition
Be3Al2SiO6
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.562-1.6151.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
monoclinic
Birefringence
0.003-0.0100.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
Soothes the digestive system
Supports digestive health
Psychology
Purity
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Purity
Communication