1 Astrology
2.2 Origin
2.3 Color
Yellow
Violet, Brown, Violet, Brown
2.5 Streak
2.7 For which Rashi?
Not Available
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio
2.9 Planet
Not Available
Jupiter, Neptune
2.11 Element of Planets
Not Available
Water, Earth, Air
2.13 How to Wear?
2.14.1 Finger
Not Available
Not Available
2.14.3 Ring Metal
Not Available
Not Available
2.15 Energy
2.17 Deities
Not Available
Minerva, Vac
2.19 Not to wear with
Not Available
Not Available
2.21 Powers
Not Available
Healing, Love, Protection
2.23 Birthstone
2.23.1 Planetary
Not Available
Not Available
2.24.2 Talisman
Not Available
Not Available
3 Physical Properties
4.1 Tenacity
Not Available
Not Available
4.3 Solubility
Not Available
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4.5 Durability
Not Available
Not Available
4.7 Specific Gravity
3.69-3.812.54-2.78
1
7.18
4.10 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
4.12 Cleavage
Not Available
Good in three directions
4.14 Mohs Hardness
4.16 Chemical Composition
BeAl 2O 4Arthur Thomas , Gemstones (2009)
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
6 Optical Properties
6.1 Luster
Not Available
Pearly, Fibrous, Chatoyant
6.3 Pleochroism
Not Available
NilArthur Thomas
6.5 Dispersion
6.7 Transparency
6.8 Refractive Index
1.739-1.7701.545-1.560
1
3.25
6.10 Optic Character
6.11 Crystal System
6.12 Birefringence
6.16 Clarity
7 Benefits
7.1 Physical
7.1.1 Neurological
Not Available
Not Available
7.1.2 Cardiovascular
Not Available
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7.1.3 Respiratory
Not Available
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7.1.4 Reproductive
Not Available
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7.1.5 Digestive
Not Available
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7.2 Psychology
Not Available
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7.3 Healing
Not Available
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7.4 Qualities Associated
Not Available
Not Available