My watch list  


Mixite is a rare copper bismuth arsenate mineral with formula: BiCu6(AsO4)3(OH)6·3(H2O). It crystallizes in the hexagonal crystal system typically occurring as radiating acicular prisms and massive encrustations. The color varies from white to various shades of green and blue. It has a Mohs hardness of 3.5 to 4 and a specific gravity of 3.8. It has an uneven fracture and a brilliant to adamantine luster.

It occurs as a secondary mineral in the oxidised zones of copper deposits. Associated minerals include: bismuthite, smaltite, native bismuth, atelestite, erythrite, malachite and barite.

It was discovered in 1879 near J´achymov, Czech Republic by mine engineer Anton Mixa.


  • Mindat data with locations
  • Webmineral data
  • Mineral data publishing PDF
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Mixite". A list of authors is available in Wikipedia.
Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE