1 Astrology
16.5 Origin
Spain, China
Not Available
16.6 Color
Red, gray, Brown, pink
Colorless, White, Yellow
16.7 Streak
16.8 For which Rashi?
Not Available
Not Available
16.9 Planet
Not Available
Not Available
16.10 Element of Planets
Not Available
Not Available
16.11 How to Wear?
16.11.1 Finger
Not Available
Not Available
16.11.2 Ring Metal
Not Available
Not Available
16.12 Energy
Not Available
Not Available
16.13 Deities
Not Available
Not Available
16.14 Not to wear with
Not Available
Not Available
16.15 Powers
Not Available
Not Available
16.16 Birthstone
16.16.1 Planetary
Not Available
Not Available
16.16.2 Talisman
Not Available
Not Available
17 Physical Properties
17.1 Tenacity
Slightly sectile
Not Available
17.2 Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
17.3 Durability
Not Available
Not Available
17.4 Specific Gravity
17.5 Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Brittle, Metallic
17.6 Cleavage
Prismatic {10 1 0}, perfect
{010} Good
17.7 Mohs Hardness
17.8 Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
18 Optical Properties
18.1 Luster
Adamantine
Vitreous, Adamantine
18.2 Pleochroism
NilArthur Thomas
Not Available
18.3 Dispersion
18.4 Transparency
Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
18.5 Refractive Index
2.905-3.251.890-1.976
1
3.25
18.6 Optic Character
Not Available
Not Available
18.7 Crystal System
18.8 Birefringence
Not AvailableNot Available
0
0.296
18.9 Clarity
Translucent
TransparentAnthony et al
19 Benefits
19.1 Physical
19.1.1 Neurological
Not Available
Not Available
19.1.2 Cardiovascular
Not Available
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19.1.3 Respiratory
Not Available
Not Available
19.1.4 Reproductive
Not Available
Not Available
19.1.5 Digestive
Not Available
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19.2 Psychology
Not Available
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19.3 Healing
Not Available
Not Available
19.4 Qualities Associated
Not Available
Not Available