Crystal System : Monoclinic
Colours: White, light blue
Hardness (H) : 3
Year of Discovery: 1959
IMA Status: Questionable
Named for: Composition/relationship (to rosasite)
References: Strunz (1959)

Tsumeb is the Type Locality


Extremely rare. Doubtful status (IMA).


  • Supergene

Paragenetic and General Notes

The International Mineralogical Association (IMA) considers zincrosasite to be inadequately described; it's validity as a mineral is therefore rated as "Questionable". Zincrosasite was named for its zinc enrichment and relationship to rosasite, but no analysis was presented with the original description, other than a statement of the zinc : copper ratio given as 58.6 : 51.9.