Origin
Southern and central Africa
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Colorless, White, Yellow, pink
Yellow, White, Green, Brown, Greenish, gray
Streak
White
Grey, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
1.793.20-3.25
1
7.18
👆🏻
Fracture
Irregular/uneven
Uneven, Conchoidal
Cleavage
Perfect on {10bar10}
Good/distinct on [210]
Mohs Hardness
2.55.5
2
10
👆🏻
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Nearly colorless to pale golden yellow
Pale green to pale orange
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.4921.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
-99990.009-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Grounding