Doug and Deb Reif

Amazonite and Biotite

Pyrrhotite, Galena, Quartz, Sphalerite, Chalcopyrite

Quartz, Calcite and Pyrite

Amethyst

Barite on Calcite

Millerite, Calcite, Chalcopyrite

Millerite on Quartz (coldwater Agate)

Galena on chert

Calcite (Manganese-rich) on Quartz

Calcite (Manganese-rich)

Vanadinite

Calcite