Origin
Southern and central Africa
Canada, Pakistan
Color
Colorless, White, Yellow, pink
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
White
White
For which Rashi?
-
Virgo, Capricorn
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
1.792.93-2.96
1
7.18
👆🏻
Fracture
Irregular/uneven
Subconchoidal, Conchoidal
Cleavage
Perfect on {10bar10}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
2.53.5-4
2
10
👆🏻
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Nearly colorless to pale golden yellow
StrongArthur Thomas
Dispersion
0.030.17
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.4921.525-1.686
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
-99990.155
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Promotes focus and concentration
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Growth
Centering