1 Astrology
1.1 Origin
Southern and central Africa
Mexico
1.2 Color
Yellow, Brown, Yellow, White, Reddish, orange
Blue, Blue, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
2.6 Cleavage
Poor on {100}
Perfect on {0001}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
3.5 Refractive Index
1.623-1.7281.45-2.62
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.028Not Available
0
0.296
3.9 Clarity
Transparent
OpaqueAnthony et al
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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