1 Astrology
1.1 Origin
India
Southern and central Africa
1.2 Color
Colorless, White, gray, Brownish, Greenish
Colorless, Yellow, Brown
1.3 Streak
1.4 For which Rashi?
Not Available
Chakra Gemstone Properties
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
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
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.78-2.885.50-6.00
1
7.18
2.5 Fracture
Micaceous, Brittle
Not Available
2.6 Cleavage
Perfect on the {001}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
ZrO 2 + CaO or Y 2O 3 or MgOUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Silky, Pearly
Not Available
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.552-1.6182.150-2.182
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
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