1 Astrology
1.1 Origin
USA
Not Available, Southern and central Africa
1.2 Color
Not Available
Brown, White, Greenish, gray, Green, Brown, Brownish, White, Greenish, gray, Green, Brown, Brownish
1.3 Streak
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
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Not Available
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
2.6 Cleavage
Not Available
{110} Perfect, {???} Distinct, {???} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
Weak; present colour lighter
When Fe-rich
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Transparent
3.5 Refractive Index
1.700-1.7251.603-1.690
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
3.8 Birefringence
0.001-0.012Not Available
0
0.296
3.9 Clarity
TranslucentWalter Schumann
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available