1 Astrology
1.1 Origin
1.2 Color
Blue, Yellow, Brown, gray, Reddish, Greenish
Yellow, orange, Red
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
polyatomic nonmetal
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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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
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2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
Not Available3.355-3.433
1
7.18
2.5 Fracture
(e.g. graphite).
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
{???} Imperfect, {???} Imperfect
{???} Good, {???} Good
2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
Not Available
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
In thick sections
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
Not Available1.690-1.705
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Not Available
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Not Available
Transparent
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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