1 Astrology
1.1 Origin
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
Not Available, Southern and central Africa
1.2 Color
Red
Blue, Brown, Colorless, Yellow, Blue, Brown, Colorless, Yellow
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Black Madonna, Isis
Not Available
1.10 Not to wear with
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1.11 Powers
Courage, Wealth
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Not Available
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
Indiscernible
{110} Perfect, {010} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Opaque
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
3.5 Refractive Index
1.54-1.551.590-1.629
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
3.8 Birefringence
Not Available0.039
0
0.296
3.9 Clarity
Opaque
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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