Muskovite
Large sample of shiny, cleavable muscovite from the Kříženecký pegmatite.
Corundum
Large crystals of dark corundum. The largest crystal is 3 cm big.
Elbait
Vějíře růžových krystalů elbaitu přibližně 2 cm dlouhých z jihočeského pegmatitu.
Graftonite
Dark brown grains of iron phosphate – graftonite up to 1 cm in size.
Zirkon, triplit
Hnědé krystaly zirkonu s tmavou slídou ve masivním triplitu.
Bohseite
Snow-white aggregates of bohseitu – a rare beryllium silicate in pegmatite.
Bohseite
Snow-white aggregates of bohseite up to 1 cm in size – a rare silicate of beryllium.
Messelit, mitridatit, trifylín
A very rich sample of white massive messelite together with grey-green grains of cleavable triphylite and coatings rich in green […]
Diaspore, andalusite
A very rich specimen of tabular, white diasporcrystals up to 15 mm in size in pink Andalusite from the pegmatite […]
Sekaninait
Krystal tmavě fialového sekaninaitu s typickou bazální štěpností z typové lokality.
Limonite
Crystal of záhněda with a relatively clean transparent tip from a small pegmatite body from an unconventional locality.
Boehmite
Five-millimeter grain of a very rare fibrous beryllium sillimanite.