Origin
Southern and central Africa
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Colorless, Blue, Brown, Green, gray
Green, Brown, Colorless, Greenish, Yellow
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
3.90-4.003.25-3.45
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Good on {110}
Mohs Hardness
3-3.56.5
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weakly trichroiC
X = colorless to green; Y = colorless
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.619-1.6351.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.004-0.0120.012-0.017
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Divine Guidance
Self-worth