Origin
Southern and central Africa
Southern and central Africa
Color
White
Colorless, gray, White
Streak
-
White
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
2.60-2.902.40-2.42
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
3,1 basal
{010} Perfect, {001} Distinct
Mohs Hardness
7.5-84.5
2
10
👆🏻
Chemical Composition
Be3Al2SiO6
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.562-1.6151.584-1.615
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.003-0.0100.028-0.030
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
Soothes the digestive system
-
Psychology
Purity
Imagination
Healing
Emotional healing
Emotional healing
Qualities Associated
Purity
Harmony