Origin
Brazil
Southern and central Africa
Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
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
-
-
Ring Metal
-
-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.65-2.902.62-2.67
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
{001} Perfect
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
-99996-6.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Pearly
Vitreous
Pleochroism
-
-
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.534-1.6011.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.0500.010
0
0.296
👆🏻
Clarity
Translucent
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
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Emotional healing
Qualities Associated
Emotional Healing
Harmony