schlossmacherite
schlossmacherite from South Africa
Detailed sheet
schlossmacherite
Discovered in 1980, its name honors the German gemologist Karl Schlossmacher.
CHEMICAL CHARACTERISTICS
(H3O,Ca)Al3[AsO4,SO4]2 OH)6
sulfate - arsenate
PHYSICAL CHARACTERISTICS
Main color
green
Other colors
blue, grey
Color of streak
white
Luster
vitreous
Hardness
5.0 to 0.0
Density
3.00 to 0.00
Cleavage
indistinct
Fracture
uneven
OPTICAL PROPERTIES
Transparency
opaque
Refractive index
1.597 - 0.000
Double refraction
0.000
none
visible double refraction
No
Pleochroism
absent
Number of colors
1
Fluorescence
none
CRYSTALS PROPERTIES
massive agregates
crystals system
trigonal
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It was found in the Emma Luisa Mine, Guanaco, Chile.
use in jewelry
it is cut cabochon
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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