Calcite
Druse of scalenohedral calcite crystals on which younger calcite with prismatic development is growing from one direction.
Calcite, pyrite
Scalenohedral calcite crystals 2 to 3 cm large overgrown on one side with second-generation calcite with a prismatic habit and […]
Calcite
Scalenohedral calcite crystals up to 2 cm large overgrown by younger, smaller, hypoparallel-grown crystals. The sample is further complemented by […]
Dyskrazit
Stříbrně lesklé plíškovité krystaly antimonidu stříbra. Dyskrazit na vzorku vytváří zdvojčatělé až dendriticky narostlé krystaly. Největší krystal je 2 cm […]
Dyscrasite, arsenic
The complete profile of the vein formed by wire-like crystals of silver Dyskrazit ranging from 2 to 5 mm in […]
Pyrargyrit
Dutina v kalcitu o rozměrech 2 × 1 cm, ve které se nachází srostlice krystalů pyrargyritu a pyritových kuliček. Nejspodnější […]
Boulangerite
Dark, sometimes bluish needles of boulangerite, approximately half a centimeter long, growing into a cavity approximately 2.5 × 1.5 cm […]
Stephanite
Two approximately 1.5 mm sized stefanite crystals grown in a cavity with quartz and pyrite.
Goethit, záhněda
Dutina v příbramské žílovině porostlá hnědým goethitem s krystaly světlé záhnědy.
Goethite - Sametka .
Velvety lustrous goethite covered by white calcite crystals.
Pyrite
Crystals of pyrite with a rare octahedral habit grown on white quartz. The largest pyrite crystal is 4 mm in […]
Diaphorite
An extremely large (13 millimeters long), crystal of the rare silver sulfosalt – diaphorite. The crystal is incomplete on the […]