Fluorite
Yellow-orange cubic crystals of transparent fluorite up to 12 mm in size grown on a black base.
Vanadinite
Druse of shiny vanadinite crystals up to 1 cm large .
Argentopyrite, proustite
A beautiful sample of red, lustrous proustit crystals on a contrasting snow-white calcite, on which dark, slightly iridescent argentopyrit tablets […]
Erythrite, skutterudite
Aesthetic samples of wine-red bladed crystals of erythrine on massive skutterudite.
Erythrite, skutterudite
A beautiful example of wine-red crystals of cobalt arsenate grown into a cavity in massive Skutterudite. The longest erythrite crystals […]
Xanthoconite
Aesthetic specimen of intensely red, unusually elongated crystals of proustit with crystals of the rare orange xanthoconite (proustit dimorph). The […]
Xanthoconite, proustite
Crystals of the rare orange xanthoconite with its dimorph proustite grown on contrasting white limestone. Xanthocon crystals are about 0.5 […]
Celestine
Celestine geode with clear glossy crystals up to 2 cm large.
Xanthoconite, proustite
Orange crystals of the rare xanthoconite with intensely red proustite crystals up to 5 mm in size.
Xanthoconite, proustite
Orange crystal of rare Xanthocon and aesthetic cluster of intensely red Proustit crystals up to 4 mm in size grown […]
Proustite
Intensely red proustite crystals up to 4 mm in size.
Silver
Twisted aggregates of fine wire-like silver.