mineral classics

pyrite on sphalerite

hemimorphite with hydrozincite

pyrite

chalcedony on smoky quartz “casts” after laumontite

quartz with “amethyst” tips

quartz (gem doubly terminated “floater”)

calcite

quartz (var: smoky) with goethite

goethite

copper pseudomorph after azurite ("copper rose")

copper (hoppered "spinel"-twins)

beryl (var: aquamarine)

tourmaline with stilbite (doubly terminated)

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

prehnite

tourmaline

spodumene (1,223 grams) (doubly terminated)

prehnite finger cast after anhydrite

prehnite finger cast after anhydrite

prehnite finger cast after anhydrite