Origin
Brazil
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Blue
Yellow, Brown, Colorless, White, gray, Brownish
Streak
-
White
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
2.60-2.902.97-3.03
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Indistinct
{001} Poor
Mohs Hardness
7.5-87
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Greasy
Pleochroism
Strong dichroism: blue to colourless\
Weak: pale yellow yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.560-1.6041.627-1.639
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Orthorhombic
Birefringence
0.003-0.0100.006
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Spiritual Awakening