1 Astrology
1.1 Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
1.2 Color
Violet, Blue
1.3 Streak
Not Available
1.4 For which Rashi?
Not Available
1.5 Planet
Not Available
1.6 Element of Planets
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
1.7.2 Ring Metal
Not Available
1.8 Energy
Not Available
1.9 Deities
Not Available
1.10 Not to wear with
Not Available
1.11 Powers
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
1.12.2 Talisman
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
2.2 Solubility
Not Available
2.3 Durability
Not Available
2.4 Specific Gravity
2.56-2.66
Check 2.56-2.66 Range Gemstones!
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Not Available
2.7 Mohs Hardness
7-7.5
Check 7-7.5 Range Gemstones!
2
10
2.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous
3.2 Pleochroism
Strong trichroism: colorless to yellowish
3.3 Dispersion
0.02
Rank: 22 (Overall) ▶
0.007
1
3.4 Transparency
Transparent
3.5 Refractive Index
1.542-1.578
Check 1.542-1.578 Range Gemstones!
1
3.25
3.6 Optic Character
Biaxial/+
3.7 Crystal System
Not Available
3.8 Birefringence
0.008-0.012
Check 0.008-0.012 Range Gemstones!
0
0.296
3.9 Clarity
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
4.1.2 Cardiovascular
Not Available
4.1.3 Respiratory
Not Available
4.1.4 Reproductive
Not Available
4.1.5 Digestive
Not Available
4.2 Psychology
Not Available
4.3 Healing
Not Available
4.4 Qualities Associated
Not Available