1 Astrology
1.1 Origin
Madagascar, Southern and central Africa
Southern and central Africa
1.2 Color
White, Yellow, Blue, Green, Green, gray, Yellow
Brown, Brown, Green, Green, gray, White
1.3 Streak
White
gray, White, gray, White
1.4 For which Rashi?
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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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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.55-2.633.15-3.259
1
7.18
2.5 Fracture
Uneven, Uneven, Gems
Not Available
2.6 Cleavage
{001} Perfect, {010} Good
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
2.7 Mohs Hardness
2.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous
Fibrous, Vitreous
3.2 Pleochroism
WeakMichael OâDonoghue
Weak to moderate
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.514-1.5391.625-1.718
1
3.25
3.6 Optic Character
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3.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
3.8 Birefringence
0.008-0.010Not Available
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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