1 Astrology
1.1 Origin
Brazil, Southern and central Africa
Mexico
1.2 Color
Blue, Green, Black
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Violet, pink, Yellow, Green, Violet, pink
1.3 Streak
White
White, Green, White, Green
1.4 For which Rashi?
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
Not Available
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
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
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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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.04-3.174.32-4.48
1
7.18
2.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
{001} Indistinct, {???} Indistinct
{101}, good; {010}, poor
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.604-1.6461.708-1.722
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.031-0.0360.031-0.050
0
0.296
3.9 Clarity
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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