Origin
Southern and central Africa
Sri Lanka, India, Brazil
Color
Colorless, Blue, Brown, Green, gray
Green, Brown, Colorless, gray, Yellow
Streak
White
Brownish, 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
3.90-4.003.55-3.73
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {001}, good on {210}, poor on {010}
none
Mohs Hardness
3-3.57-7.5
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Pearly
Greasy, Vitreous
Pleochroism
Weakly trichroiC
None
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.619-1.6351.730-1.760
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.004-0.0120.020
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
Helps in digestion and alleviates indigestion
Digestive
-
-
Psychology
Peace
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Divine Guidance
Abundance