Quarz var. Amethyst
Cluster of big to medium size amethyst quartz crystals, sharp and well formed, sited on brown calcite matrix.
Large Cabinet
Mineral specimens with larger dimension > 150 milimeters (mm).
Wulfenite on Mimetite and Limonite
Cluster of dipyramidal yellow wulfenite crystals over green mimetite botryoidal aggregates, all sited on limonite matrix.
