1 Astrology
1.1 Origin
Mexico
Brazil, Tanzania, Zimbabwe, Madagascar, Burma, Sri Lanka, India
1.2 Color
Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray
Red, Violet
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
Not Available
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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
Not Available
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2.4 Specific Gravity
2.90-2.983.62-4.20
1
7.18
2.5 Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
2.6 Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Pearly, Greasy
Not Available
3.2 Pleochroism
For violet varieties
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent
TransparentGemdat.org, Management Team (2012)
3.5 Refractive Index
1.570-1.6141.73-1.77
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Orthorhombic
Not Available
3.8 Birefringence
0.042-0.044Not Available
0
0.296
3.9 Clarity
Transparent
TransparentGemdat.org
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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