mineral classics

quartz

quartz (var: smoky) on microcline

hematite

copper pseudomorph after azurite ("copper rose") with malachite

copper (multiple "spinel"-twins)

copper ("spinel"-twins and crystals)

scapolite

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

chabazite on prehnite

beryl

spodumene (var: kunzite) with tourmaline and microlite on microcline

prehnite casts after anhydrite with calcite

prehnite finger cast after anhydrite

prehnite finger cast after anhydrite

spinel on matrix

spinel (ruby spinel) ("floater" twin)

fluorite

vanadinite

vivianite on matrix

calcite (var: manganoan) with calcite and lollingite