Origin
Brazil, Colombia, Southern and central Africa
Southern and central Africa
Color
Greenish, Blue, Colorless, White, Green
Colorless, Blue, Brown, Green, gray
Streak
White
White
For which Rashi?
-
Gemini
Planet
-
Venus, Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.123.90-4.00
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
{010} Perfect
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
7.53-3.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak: colorless-(greenish) yellow
Weakly trichroiC
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.0250.004-0.012
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Divine Guidance