1 Astrology
1.1 Origin
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USA, Mexico
1.2 Color
Black, Green, Brown, Red, Greenish, Yellow, Brown, Green, Yellow, orange
Green, Brown, Greenish, Brown, Green, Green, Black
1.3 Streak
Yellow, Green, Greenish, Yellow
Greenish, gray, Greenish, gray
1.4 For which Rashi?
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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
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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
Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
distinct; good on {0001}
{110} Perfect, {010} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
PbFe+++3(AsO4)(SO4)(OH)6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Vitreous, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
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Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
3.8 Birefringence
0.014Not Available
0
0.296
3.9 Clarity
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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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