Origin
Pakistan, Tanzania
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Brown, gray, Green, Blue, rose, Red
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
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
3.20-3.503.26-3.36
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Conchoidal
Cleavage
Perfect {010} imperfect {100}
Good on {100}
Mohs Hardness
6-76.5-7
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Strong
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
-
Refractive Index
1.685-1.7071.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.006-0.0180.009-0.012
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Excellent
Good
Reproductive
Supports reproductive health
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Digestive
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Psychology
Transformation
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
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Balance