1 Astrology
2.2 Origin
India, China
Not Available
1.1 Color
Blue, Yellow, Brown, gray, Reddish, Greenish
Blue, gray, Black, Blue
1.5 Streak
1.8 For which Rashi?
Not Available
Not Available
1.10 Planet
Not Available
Not Available
1.13 Element of Planets
polyatomic nonmetal
Not Available
1.16 Energy
Not Available
Not Available
1.18 How to Wear?
1.18.2 Finger
Not Available
Not Available
1.19.2 Ring Metal
Not Available
Not Available
1.22 Deities
Not Available
Not Available
1.3 Not to wear with
Not Available
Not Available
1.5 Powers
Not Available
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1.8 Birthstone
1.8.2 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
3 Physical Properties
3.3 Tenacity
Not Available
Not Available
3.7 Solubility
2.4 Durability
Not Available
Not Available
2.10 Specific Gravity
Not Available3-3.15
1
7.18
4.7 Fracture
(e.g. graphite).
Conchoidal, Brittle, Conchoidal
4.9 Cleavage
{???} Imperfect, {???} Imperfect
Good on [110] and on [001]
4.11 Mohs Hardness
Not Available6.0-6.5
2
10
4.21 Chemical Composition
Not Available
[ ]Na2(Mg3Al2)Si8O22(OH)2
5 Optical Properties
5.1 Luster
Not Available
Vitreous, Pearly
6.1 Pleochroism
6.4 Dispersion
9.5 Transparency
Not Available
Not Available
9.6 Refractive Index
Not Available1.606-1.637
1
3.25
9.20 Optic Character
Not Available
Not Available
9.22 Crystal System
9.23 Birefringence
Not AvailableNot Available
0
0.296
10.5 Clarity
Not Available
Not Available
11 Benefits
11.1 Physical
11.1.1 Neurological
Not Available
Not Available
11.1.2 Cardiovascular
Not Available
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11.2.1 Respiratory
Not Available
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11.3.1 Reproductive
Not Available
Not Available
11.3.2 Digestive
Not Available
Not Available
13.1 Psychology
Not Available
Not Available
13.3 Healing
Not Available
Not Available
13.4 Qualities Associated
Not Available
Not Available