Yvonite

Yvonite


Composition:

Cu(HAsO4) ยท 2H2O

Crystal System : Triclinic
Colours: Turquoise-blue
Lustre : Vitreous
Hardness (H) : 3.6-4.0
Specific Gravity (S.G) : 3.2
Year of Discovery: 1995

 

Distribution

Very rare (?)

Occurrence

  • Supergene

Paragenetic and General Notes

Yvonite has been verified (by Raman spectroscopy) as a thin, blue, botryoidal coating on the surface of tennantite-rich massive sulphide ore (ref. www.williampinch.com). It is included in the list of verified Tsumeb species published by Von Bezing et al. (2014).