Ferruginous quartz
A polished specimen of yellow ferrous quartz with gray-green stars. At this locality, ferrous quartzes were not too abundant .
Železitý křemen
Leštěný vzorek nádherně červeného železitého křemene se žlutými proužky.
Jasper, Agate
Polished sample of jasper with a transparent agate center.
Agate
Polished agate with distinctive white stripes creating an interesting optical effect.
Carnelian
Polished carnelian specimen with a quartz center from a classic Ore Mountains locality.
Amethyst
A large sample with intensely purple edges of amethyst from a renowned site near Liberec.
Scheelite
Double-sided polished specimen with white grains of scheelite from an exploratory adit drilled during prospecting for tungsten.
Jasper .
A large piece of polished jasper with an intensely red stripe.
Galena .
Glossy veins of Galena with Sphalerite and Siderite in a polished specimen of Příbram vein .
Ametyst
Velký kus leštěné ametystové geody s malou dutinou ve středu ze známé lokality.
Carnelian, amethyst, fluorite
A nice polished sample of red Carnelian with Amethyst in light green Fluorite from the classic Blahuňov deposit in the […]
Agate .
Intensely red agate with hematite bands.