Aragonite
Kidney-shaped aggregates of yellow aragonite colored by the content of uranium. The specimen is glowing under UV light .
Aragonite
Yellow aragonite colored by uranium content. The sample is glowing under UV light .
Hyalite
Aesthetic specimen with two intricately grown crests of clear opal. Under shortwave UV radiation, the opal glows intensely green.
Hyalite
Growth of clear opal forming kidney-shaped aggregates. Under shortwave UV radiation, the opal glows intensely green .
Scapolite
Very shiny, intensely purple, striated purple crystal of scapolite measuring 19 x 19 x 16 mm from the new finds […]
Calcite
Typical Příbram habitus of calcite. It is often referred to as “děsivec” for its striking orange color under UV light. […]
Zunyite
Coatings of white uranyl, zinc, and calcium carbonate from the type locality. The mineral glows green under UV light .
Ruby, pargasite
A one and a half centimeter large ruby crystal protruding from the matrix rock composed mainly of Pargasite. The ruby […]
Scheelite
Quartz with crystals of scheelite richly grown into the cavity. The size of the crystals is up to 4 mm.
Bustamite, friedelite, willemite, franklinite
Sample of ore from a known zinc deposit. Bustamite forms a massive pink vein which transitions into orange Friedelite. Furthermore, […]
Tugtupite
Sample of the very rare, brightly pink tugtupite – a silicate of beryllium, aluminum, and sodium from the helvite group […]
Zunyite
Coatings of white uranyl carbonate, zinc, and calcium from the type location. The mineral glows green under UV light .