![descloizite rectangular cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/descloizite-rectangulaire193-150x150.png)
![wolframite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wolframite-taille-emeraude23-300x206.png)
wolframite
![wolframite crystals from Panasqueira in Portugal](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wolframite-panasqueira-portugal-300x200.jpg)
wolframite crystals from Panasqueira in Portugal
![wolframite crystals from Panasqueira in Portugal](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wolframite-panasqueira-portugal-300x200.jpg)
wolframite crystals from Panasqueira in Portugal
![red hubnerite from Perou](https://www.patrickvoillot.com/wp-content/uploads/2021/03/hubnerite-perou-300x225.jpg)
red hubnerite from Perou
Detailed sheet
wolframite
Its name comes from the german, “ wolfram” being the name of tungsten, which is its main component. The hubnerite variety is rich in manganese, of a rather red color, transparent and in slices, it was named after the german Adolph Huebner.
The ferberite variety is rich in iron and black opaque.
![](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
(Fe,Mn)WO4
iron and manganese tungstate
![](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
Other colors
brown, grey, yellow, red
hubnerite can be blood red
Color of streak
brown, red
Luster
adamantine, metallic
Hardness
5.0 to 5.5
Density
7.00 to 7.60
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
opaque, translucent
Refractive index
2.170 - 2.320
Double refraction
0.150
very strong when it can be measured
visible double refraction
No
Pleochroism
absent
Number of colors
1
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
tabular, sometimes lamellar or prismatic.
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-wolframite.gif)
crystals system
monoclinic
![](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
Astrological sign
Aries, Virgo
![](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 Portugal (Panasqueira), Hungary, Slovakia, Ukraine, Brazil, United States. Some beautiful transparent red hubnerite samples come from Peru. China has many deposits.
use in jewelry
it is cut in facets. It is a collection stone
Historical
healing properties
It would be a very powerful anchor stone . It would have a beneficial effect on the skeleton, would be helpful in professions where physical strength is needed, and as well for sportsmen.
Venez visitez
notre site web
voillot-joaillier.fr
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