1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Brazil, Southern and central Africa, Sri Lanka
1.2 Color
Colorless, Colorless, Green, gray, pink, Yellow, Colorless, Green, gray, pink, Yellow
Red, gray
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Insoluble in acids
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.56-2.624.20-4.30
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
From the Greek for oblique and fracture, descriptive of the cleavage
{110} good, 100 moderate, parting on {092} and {011}
2.7 Mohs Hardness
2.8 Chemical Composition
(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Adamantine
3.2 Pleochroism
WeakMichael OâDonoghue
Weak to distinct brownish red-green-yellow
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.518-1.5342.609-2.903
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
tetragonal
3.8 Birefringence
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available