Julgoldit-Fe2+, pektolit
Velmi bohatá ukázka dobře viditelného v České republice nově popsaného vzácného minerálu z pumpellyitové řady julgolditu-Fe2+. Ten tvoří několik radiálně […]
Julgoldit-Fe2+, pektolit
Kvalitní ukázka bílého až nažloutlého pektolitu na okraji lemovaného drobnými krystaly datolitu s dobře viditelným v České republice nově popsaným […]
Spurrite
Massive sample composed almost exclusively of lightly bluish spurrite, a very rare calcium silicate with a CO3 group from high-temperature […]
Natrolite
A cluster of spherical aggregates of white natrolite crystals, 21 mm in size, in vulcanite from the historical locality Vinařická […]
Julgoldit-Fe2+, pektolit
Kvalitní ukázka v České republice nově popsaného vzácného minerálu z pumpellyitové řady julgolditu-Fe2+ ,ktarý tvoří vějířovité agregáty do velikosti 4 […]
Harmotome, quartz, calcite
Double-sided quartz druse with up to 7 mm sized rhombohedral calcite crystals growing on it. Subsequently, the specimen, especially from […]
Julgoldite-Fe2+, Pectolite
An aesthetic specimen of white to yellowish datolite with needles up to 12 mm on the edge of the vein […]
Sanidine
A two-centimeter large twin of sanidine in the parent rock from Karlovy Vary.
Lazurite
A beautiful druse of richly blue, well-defined lazurite crystals emerging from a white base. The largest crystal is 1.5 cm […]
Quartz, cinvaldite
Quartz crystals overgrown with red Hematite. On the left side of the sample, there are crystals of Cinvaldite. The quartz […]
Eulytine
Rich sample of bismuth silicate – eulytine forming black spherical aggregates up to 1 mm in size. The sample comes […]
Eulytine
Bismuth silicate – eulytine forming black spherical aggregates approximately 1 mm in size. The sample comes from the dump of […]