Minerals
Metarauchite
metarauchite
Ni(UO2)2(AsO4)2·8H2O
Metarauchite Mineral Specimen For Sale — via www.dakotamatrix.com · Source
Overview
Metarauchite is a member of the autunite group, found at the Jáchymov ore district (type locality), Czech Republic and in Schneeberg, Germany. The autunite group is a group of structured uranyl phosphates and arsenates; the other members of the group are autunite, bassetite, heinrichite, kahlerite, nováčekite-I, nováčekite-II, rauchite, sabugalite, saléeite, torbernite, uranocircite, uranospinite, and zeunerite. The mineral is named after Czech mineral collector Luděk Rauch, who died in the Jáchymov mines during mineral prospecting.
Identification characteristics
- Mohs hardness 2