1 Astrology
1.1 Origin
Mexico
Afghanistan, Brazil, Southern and central Africa, Madagascar, Russia, USA, Zimbabwe
1.2 Color
White, gray, Brownish, Yellow, Greenish
Colorless, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
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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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1.8.1 Ring Metal
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1.10 Energy
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1.11 Deities
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1.13 Not to wear with
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1.14 Powers
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1.15 Birthstone
1.15.1 Planetary
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1.15.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
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2.4 Specific Gravity
3.4 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
3.5 Cleavage
Distinct on {001} and {110}, indistinct on {100}
Not Available
3.6 Mohs Hardness
3.9 Chemical Composition
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
4 Optical Properties
4.1 Luster
4.2 Pleochroism
Weakly pleochroic with O reddish and E greenish in thick sections.
Weak: golden-yellow
4.3 Dispersion
4.7 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
4.8 Refractive Index
2.117-2.1451.566-1.579
1
3.25
5.5 Optic Character
Not Available
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5.6 Crystal System
5.7 Birefringence
5.8 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
6 Benefits
6.1 Physical
6.1.1 Neurological
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6.1.2 Cardiovascular
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6.1.3 Respiratory
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6.1.4 Reproductive
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6.1.5 Digestive
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6.2 Psychology
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6.3 Healing
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6.4 Qualities Associated
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