1 Astrology
1.1 Origin
Afghanistan, Southern and central Africa, California
Southern and central Africa
1.2 Color
Violet, Colorless, gray, White
Greenish, Blue, Colorless, Green, Yellow
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Jupiter, Neptune
Not Available
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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
2.80-2.903.17-3.24
1
7.18
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
2.6 Cleavage
{001} perfect
(0001) indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
SiCArthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Adamantine
3.2 Pleochroism
X = almost colorless; Y = Z = pink
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.525-1.5872.648-2.691
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.0290-0.03800.043
0
0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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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