![baddeleyite of Sri Lanka trillion cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/baddeleyite-trillion-sri-lanka241-150x150.png)
![cabochon of ussingite from Russia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/ussingite-russie35-300x200.png)
ussingite
![ussingite cabochon from Russia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/ussingite-russie-2-300x200.jpg)
ussingite cabochon from Russia
Detailed sheet
ussingite
Discovered in 1914, its name honors the Danish mineralogist Niels Viggo Ussing (1864-1911)
![](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
Na2Al [Si3O8](OH)
sodium alumino-silicate
![](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
purple
Other colors
white, pink, red
Color of streak
white
Luster
vitreous
Hardness
6.0 to 7.0
Density
2.46 to 2.50
Cleavage
good
Fracture
uneven
![](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
translucent
Refractive index
1.510 - 1.550
Double refraction
0.040
definite, biaxial positive
visible double refraction
Yes
Pleochroism
absent
Number of colors
1
Fluorescence
strong
colors vary, but often green or orange
![](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
very rare and small
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-ussingite.gif)
crystals system
triclinic
![](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 Russia in the Kola peninsula, in Greenland, Canada at Mont St-Hilaire.
use in jewelry
it is cut either in cabochons or faceted, it is of a beautiful pink with a beautiful fluorescence.
Historical
healing properties
It suits the higher chakras and promote creativity, intuition, inspiration.
Venez visitez
notre site web
voillot-joaillier.fr
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