Origin
Madagascar
Southern and central Africa
Color
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
2.85-3.003.90-4.00
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
7.53-3.5
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Pearly
Pleochroism
visible
Weakly trichroiC
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.578-1.6391.619-1.635
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.037-0.0390.004-0.012
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Wisdom
Peace
Healing
Physical healing
Emotional healing
Qualities Associated
Harmony
Divine Guidance