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adamite
![admite crystal from Mapimi in Mexico](https://www.patrickvoillot.com/wp-content/uploads/2021/03/adamite-cristaux-mapimi-mexique-em-300x200.jpg)
admite crystal from Mapimi in Mexico
Detailed sheet
adamite
Described in 1886 by Charles Friedel who named it after the French mineralogist Gilbert Joseph Adam who found this mineral.
Its color depends on the metallic ions present : cuproadamite colored by copper is green, manganoadamite colored by manganese is pink-purple such as cobaltoadamite and aluminoadamite is blue.
![](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
Zn2[AsO4](OH)
zinc arsenate
![](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
yellow
Other colors
white, blue, brown, colourless, pink, green, purple
its color is due to the metallic ions present.
Color of streak
white
Luster
vitreous
Hardness
3.5 to 0.0
Density
4.30 to 4.70
Cleavage
good
Fracture
conchoidal, 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, transparent
Refractive index
1.710 - 1.760
Double refraction
0.050
definite, biaxial (+/-)
visible double refraction
Yes
Dispersion
++
Pleochroism
weak
Number of colors
3
light shades depending on the color, only 2 easily visible.
Fluorescence
moderate
The yellow and green varieties are fluorescent in green or yellow
![](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 crystals and radiating brillant spheroidal aggregates.
![](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cristal-adamite.gif)
crystals system
orthorhombic
![](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
Historically found in Laurium, Greece. Deposits in France (Cap Garonne in Var department), in Chile, in Namibia (Tsumeb), the most beautiful ones come from Mexico (Ojuela mine, Durango).
use in jewelry
gemstone for collectors, faceted.
Historical
healing properties
This would be the stone of the throat chakra, also called energetical centre, link betwen the body and mind. The Adamite would promote the energy exchange both between the different organs and with the external. It would help in establishing and maintaining a good communication with friends and relatives.
Venez visitez
notre site web
voillot-joaillier.fr
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