strontianite
strontianite crystals from Austria
CHEMICAL CHARACTERISTICS
Sr[CO3]
strontium carbonate
PHYSICAL CHARACTERISTICS
Main color
yellow
Other colors
white, brown, grey, colourless, orange, red, green
Color of streak
white
Luster
resinous, vitreous
Hardness
3.5 to 0.0
Density
3.60 to 3.80
Cleavage
perfect
Fracture
uneven
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.520 - 1.680
Double refraction
0.150
very high, biaxial (-)
visible double refraction
Yes
Dispersion
0,008
Pleochroism
absent
Number of colors
1
Fluorescence
strong
white, pink, red
CRYSTALS PROPERTIES
pseudo-hexagonal elongated
crystals system
orthorhombic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in Africa, Malawi, Namibia, Angola, in southern Australia, in Sao Paulo in Brazil, the United States in Kentucky, Illinois, Texas, California, Pennsylvania, Quebec for Canada.
use in jewelry
faceted for collection, very fragile.
Daily care
and precautions
sensitive to acids, to shocks.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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