clinozoisite
green clinozoisite crystals from Zermatt in Switzerland
fibrous inclusions
fibrous inclusions in clinozoisite with color variation
CHEMICAL CHARACTERISTICS
Ca2Al3(SiO4)3(OH)
calcium aluminium silicate
PHYSICAL CHARACTERISTICS
Main color
yellow
Other colors
brown, colourless, pink, green
Color of streak
white, grey
Luster
vitreous
Hardness
6.0 to 7.0
Density
3.20 to 3.40
Cleavage
perfect
Fracture
uneven
easy cleavage on a single plane, on the fracture very small flat parts are observed
OPTICAL PROPERTIES
Transparency
translucent, transparent
sometimes opaque
Refractive index
1.670 - 1.735
Double refraction
0.010
weak, biaxial (+)
visible double refraction
No
Dispersion
0,019(0.012)
Pleochroism
very weak
Number of colors
2
colored, colorless
brown clinozoisite spectrum system
Fluorescence
none
CRYSTALS PROPERTIES
elongated prismatic
crystals system
monoclinic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in Pakistan (Skardu), China (Xinjiang), in the region of Victoria, Australia, Peru, Chile, Argentina, United States, Arizona, North Carolina, California, Alaska, Canada (Quebec), in southern Germany, Switzerland …
use in jewelry
It is cut in facets, and it’s a beautiful orange collection stone.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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