1 Astrology
1.1 Origin
Not Available
Brazil, Southern and central Africa
1.2 Color
White, Pale pink, Brown, Yellow, pink
Blue, Green, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
1.5 Planet
1.6 Element of Planets
Not Available
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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
1.9 Deities
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
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Brittle, Conchoidal
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
Perfect on {10 1 1}
{001} Indistinct, {???} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Not Available
Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.031-0.036
0
0.296
3.9 Clarity
Not Available
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
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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