1 Astrology
1.1 Origin
Mexico
Brazil, Southern and central Africa
1.2 Color
White, Colorless, gray, 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
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
1.9 Deities
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
2.71-2.723.04-3.17
1
7.18
2.5 Fracture
Handbook of mineralogy (2001), Difficult, Fibrous
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
{???} Good
{001} Indistinct, {???} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Silky
Not Available
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
Gems, Sixth Edition (2006)
Transparent, Translucent
3.5 Refractive Index
1.581-1.5931.604-1.646
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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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