Origin
Southern and central Africa
Italy, China
Color
Colorless, White, Brown, Green, Greenish, gray
Colorless, White, Blue, gray
Streak
White
White
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
Solubility
-
-
Durability
-
-
Specific Gravity
3.63-3.793.09
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
{110} Good
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
3.58
2
10
👆🏻
Chemical Composition
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous, Greasy
Vitreous, Greasy
Pleochroism
-
Weak
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.517-1.6671.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.019-0.021
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
-