1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa, Zimbabwe, South Africa
1.2 Color
Colorless, Colorless, gray, White, White
Green, Blue, Green, Blue, Green
1.3 Streak
White
Greenish, White, Greenish, White, Greenish, White
1.4 For which Rashi?
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
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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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Gaia, Goddess, The All
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
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Decomposed by acids
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Not Available
2.6 Cleavage
{010} Perfect, {001} Distinct
Perfect on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
X: very light bluish green; Y and Z: brilliant bluish green
3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Triclinic
3.8 Birefringence
3.9 Clarity
Transparent
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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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