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 […]
Xantokon
Aesthetic specimen of intensely red, unusually elongated crystals of proustit with crystals of the rare orange xanthocon (proustit dimorph). The […]
Xantokon, Proustit
Crystals of the rare orange Xanthocon with its dimorph Proustit grown on contrasting white limestone. Xanthocon crystals are about 0.5 […]
Celestine
Celestine geode with clear glossy crystals up to 2 cm large.
Xantokon, proustit
Orange crystals of the rare xanthocon with intensely red proustit crystals up to 5 mm in size.
Proustit
Intensely red Proustit crystals up to 4 mm in size.
Baryte, Quartz .
Tabular crystals of lustrous light yellow Barite up to 3 cm large, grown on small crystals of Quartz.
Goethite .
A very aesthetic sample of goethite comprised of reniform aggregates with a velvety brown surface, upon which grow black metallic […]
Galena, Quartz .
Interesting sample of large galena crystals (up to 2 cm in size) grown on small white quartz crystals. Additionally, there […]
Native gold .
Two approximately 1 mm gold flakes in quartz rock.
Native gold
A four-millimeter size piece of native gold in quartz rock accompanied by green copper secondaries.