Origin
Pakistan, Tanzania
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Color
Brown, gray, Green, Blue, rose, Red
Red, Brown, Brownish, Black
Streak
White, Colorless
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.503.95-4.30
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Conchoidal
Cleavage
Perfect {010} imperfect {100}
none
Mohs Hardness
6-77-7.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
None
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
-
Refractive Index
1.685-1.7071.770-1.820
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.006-0.018-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
Supports reproductive health
Digestive
-
-
Psychology
Transformation
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
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Devotion