mineral classics

baryte

quartz “cast” after anhydrite

calcite on quartz

enargite

goethite on a “cast” after quartz

goethite with onegite

copper pseudomorph after azurite ("copper rose")

copper ("spinel"-twins and crystals

opal (var: opal-an) / (var: hyalite opal) (“blood vessel opal”)

opal (var: opal-an) / (var: hyalite opal) (“blood vessel opal”)

tourmaline (fluor-liddicoatite)

tourmaline with albite (doubly terminated)

aquamarine

prehnite finger cast after anhydrite

prehnite finger cast after anhydrite

prehnite finger cast after anhydrite

spinel (3 twins!) on matrix

spinel ("floater")

fluorite

vivianite