![rubellite variety of tourmaline from Brazil](https://www.patrickvoillot.com/wp-content/uploads/2021/03/tourmaline-rose-taillee-bresil43-150x150.png)
![emerald cut pyrargyrite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pyrargyrite-taille-emeraude86-300x200.png)
pyrargyrite
![pyrargyrite crystals from Jachimov in Bohemia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pyrargyrite-cristal-jachimov-boheme-300x200.gif)
pyrargyrite crystals from Jachimov in Bohemia
Detailed sheet
pyrargyrite
Described in 1831 by Glocker, its name comes from the Greek “pyros” meaning fire and “Argyros” for money. It is a silver salt of a fire red color.
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image.png)
CHEMICAL CHARACTERISTICS
Ag3SbS3
silver sulphide and antimony
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image2.png)
PHYSICAL CHARACTERISTICS
Main color
red
Other colors
grey
it becomes gray - black after prolonged exposure to light
Color of streak
red
Hardness
2.5 to 3.0
Density
2.88 to 3.08
Cleavage
good
Fracture
conchoidal, uneven
distinct cleavage only in one axe
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image3.png)
OPTICAL PROPERTIES
Transparency
opaque, translucent
Refractive index
2.880 - 3.080
Double refraction
0.200
very strong uniaxial ( - )
visible double refraction
No
Dispersion
+
Pleochroism
very weak
Number of colors
2
shades of red
Fluorescence
none
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image4.png)
CRYSTALS PROPERTIES
prismatic
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-pyrargyrite.gif)
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-pyrargyrite-2.gif)
crystals system
trigonal
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image5.png)
OTHER INFORMATIONS
![](https://www.patrickvoillot.com/wp-content/uploads/2021/04/zoom-in.png)
![](https://www.patrickvoillot.com/wp-content/themes/astra-child/images/icon-image6.png)
APPROACHING GEMS
Exploited
sites
It is found in Bolivia (Potosi Mines), Peru (Huaron), Ecuador, Mexico (La Luz), Indonesia (Java Island), Germany, England (Cornwall) United States (Nevada , Idaho, California).
use in jewelry
Sensitive to light and fragile, it is only a collection stone.
Daily care
and precautions
It must be kept away from sunlight and ultraviolet rays
Venez visitez
notre site web
voillot-joaillier.fr
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