1 Astrology
1.1 Origin
Brazil
Brazil, Colombia, Southern and central Africa
1.2 Color
Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Greenish, Blue, Colorless, White, Green
1.3 Streak
1.4 For which Rashi?
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
Not Available
1.5 Planet
Venus, Moon
Not Available
1.6 Element of Planets
Earth, Water
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
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Healing, Protection
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal, Conchoidal, Brittle, Gems
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
2.6 Cleavage
{0110} Indistinct
{010} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
None
Weak: colorless-(greenish) yellow
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.544-1.5531.650-1.677
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
3.8 Birefringence
3.9 Clarity
Opaque
TransparentUlrich Henn and Claudio C. Milisenda
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