1 Astrology
1.1 Origin
Italy
Not Available, Southern and central Africa
1.2 Color
Yellow, orange, Red
Not Available
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
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
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.355-3.4331.98-2.50
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001)
2.6 Cleavage
{???} Good, {???} Good
Not Available
2.7 Mohs Hardness
Not Available5.5-6.5
2
10
2.8 Chemical Composition
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
In thick sections
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.690-1.7051.37-1.52
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
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3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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