Origin
USA, Southern and central Africa, China, India, Italy
Pakistan, Tanzania
Color
White, Yellow
Brown, gray, Green, Blue, rose, Red
Streak
-
White, Colorless
For which Rashi?
Gemini
-
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.44-2.623.20-3.50
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal, Even
Cleavage
Indiscernible
Perfect {010} imperfect {100}
Mohs Hardness
2.5-5.56-7
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous, Greasy, Silky
Vitreous
Pleochroism
-
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.560-1.5711.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.008-0.0140.006-0.018
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Transformation
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
-