A very nice coral-like agregate of aragonite, with aesthetic orange color due to iron oxide inclusions
A very rare cabinet size specimen of aragonite overgrowth on quartz. Aragonite needlse joined in sheafs are situated perpendicularly on the quartz crystals, lately exchanged by calcite.
A very aesthetic, large cabinet size specimen of aragonite aggregates on quartz
An aesthetic tumbnail of needle aragonite covered by small calcite crystals on the matrix of black sphalerite – marmatite