Barratt L. Phillips

Chalcanthite

Allargentum, Silver, Dyscrasite

Copper, Malachite, Cuprite

Silver

Silver

Malachite after Azurite

Azurite

Pyrite, Sphalerite, Quartz, Cinnabar

Marcasite

Chalcopyrite, Sphalerite, Polybasite

Gold on Quartz

Ferberite

Copper

Hematite, Quartz

Azurite, Malachite

Milky Quartz, Chrysocolla, Malachite, Ajoite pseudomorphs after Gypsum

Arsenopyrite, Marcasite, Zinnwaldite