Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
Colorless, Blue, Brown, Green, gray
Greenish, Blue, Colorless, White, Green
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
3.90-4.003.08-3.12
1
7.18
👆🏻
Fracture
Conchoidal
ConchoidalWalter Schumann
Cleavage
Perfect on {001}, good on {210}, poor on {010}
{010} Perfect
Mohs Hardness
3-3.57.5
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weakly trichroiC
Weak: colorless-(greenish) yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.619-1.6351.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.004-0.0120.019-0.025
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
Peace
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Divine Guidance
Communication