Astrology
Origin
Sri Lanka
Australia, Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Red, Yellow, Red, orange
Streak
Not Available
yellowish orange
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
5.90-6.10
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
Cleavage
Not Available
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
7
2.5-3
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Optical Properties
Luster
Not Available
Adamantine
Pleochroism
AbsentWalter Schumann
Distinctly trichroic
Dispersion
0.01
27
Not Available
Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
Refractive Index
1.544-1.553
2.31-2.66
Optic Character
Not Available
Not Available
Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.009
Not Available
Clarity
TransparentWalter Schumann
Transparent
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
