![sunstone form India](https://www.patrickvoillot.com/wp-content/uploads/2021/03/feldspath-aventurine-pierre-de-soleil-inde103-150x150.png)
![Ilmenite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/ilmenite-taille-emeraude151-300x191.png)
ilmenite
![ilmenite crystal from Dypingal in Norway](https://www.patrickvoillot.com/wp-content/uploads/2021/03/ilmenite-dypingal-norvege-300x200.jpg)
ilmenite crystal from Dypingal in Norway
Detailed sheet
ilmenite
It is named after the Ilmen Mountains in Russia, where it was discovered in 1827.
![](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
FeTiO3
titanium - iron oxide mineral
![](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
black
Color of streak
black
Luster
metallic
Hardness
5.0 to 6.0
Density
4.50 to 5.00
Cleavage
none
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
opaque
Refractive index
0.000 - 0.000
Double refraction
0.000
very low, negative uniaxial. refractive index illegible
visible double refraction
No
Pleochroism
absent
Number of colors
1
Fluorescence
none
Inclusions
It is the typical inclusion of beryls (especially of the aquamarine).
![](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
flattened
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-ilmenite.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 a common mineral found throughout the world, this is one of the main inclusions of beryl. In Egypt, Ukraine, England (Cumberland, Wales, Russia (Kola Peninsula, Siberia, the Urals) in China, Thailand, Indonesia, Tanzania, Malawi, Guinea, Brazil, Bolivia, United States (North Carolina, Arizona, Georgia, California, Washington, Pennsylvania) in Canada (Ontario, Mont Saint-Hilaire).
use in jewelry
cut for collection
Venez visitez
notre site web
voillot-joaillier.fr
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