Mineralape
Geffroyite
David Hospital·CC BY-SA 4.0·Wikimedia

Geffroyite

(Cu,Fe,Ag)9(Se,S)8
Cubico third eye IMA approved

Skład

Composizione (% in peso)
Se
Cu
  • SeSelenium52.5%
  • CuCopper47.5%

Czakry wtórne

crown