painite
painite crystal from Mogok in Burma with small ruby crystals
solid and liquid like inclusions
Detailed sheet
painite
Discovered in 1956, its name honors the English mineralogist Arthur Charles Davy Pain. In 2001 a gem variety of a nice red color was discovered.
CHEMICAL CHARACTERISTICS
CaZrAl9O15(BO3)
zirconium, calcium and aluminum borate
PHYSICAL CHARACTERISTICS
Main color
red
Other colors
brown, orange
Color of streak
white
Luster
vitreous
Hardness
7.5 to 8.0
Density
4.00 to 4.10
Cleavage
indistinct
Fracture
uneven
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.787 - 1.816
Double refraction
0.030
definite uniaxial negative
visible double refraction
Yes
Dispersion
-
Pleochroism
strong
Number of colors
2
red, orange
Fluorescence
moderate
red
CRYSTALS PROPERTIES
prismatic
crystals system
hexagonal
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found at Mogok in Burma
use in jewelry
A collection stone often cut cabochon and sometimes faceted, its hardness and brightness can be appreciated in jewelry but it is very rarely found of a gem quality.
Daily care
and precautions
Easy to maintain, resistant to pressure, household products. It can be washed with water with dishwashing liquid, rinse with pure water and then with alcohol.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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