Origin
Canada
Southern and central Africa
Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
Colorless, Brown, Greenish, gray
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
2.72-2.832.62-2.67
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Good on {100} and {110}
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
6-76-6.5
2
10
👆🏻
Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.610-1.6471.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
-
Birefringence
0.0210.010
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
-
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Inner Peace
Harmony