Secondary crystallization of halite caused by mining activity, Salt mine Wieliczka. Specimen 19 cm wide.	Sphaerosiderite with fossils. Łuków. Specimen 9cm high.
Zinc and lead ore mine - "Pomorzany" near Olkusz. Specimen - 18cm	Morion - type of quartz with black or almost black colour. Strzegom. Specimen 20cm high.
Agat - Rudno near Cracow. Top - chalcedony pseudostalactite, bottom - uruguay type agate, bottom - agate mossy. Specimen - 6cm.)	Agate - Rudno. Specimen - 4cm.
Mossy agate - Rudno. Specimen - 6cm.	Agate - Rudno. Top - the so called "infiltration channel ". Specimen - 5,5cm.
Agate - Zabierzów near Cracow. Found in after glacier material, clear signs of coating are evidence of long transportation. Specimen - 7cm.	Agate - Rudno. Separated zones unlikely shaped. Specimen - 8cm.
Ammonite - Parawedekindia arduennensis. Jurassic - Lower Oxford, ca. 160mln years. Zalas near Cracow.	On the right: snail - Pleurotomaria. On the left: mollusc - Pecten, Brown Jurassic - Callovian. Zalas near Cracow.
Sulphur crystals, calcite - Machów.	Thermal smite in slates - porphyry quarry in Miękinia.
Gypsum coloured with iron oxides. Copper ores mine - "Rudna" near Lubin.	Two generations of calcite, first with foliate profile, second scalenohedrons covered with fine quartz crystals. Alwernia. Specimen - 7cm.
Piece of dripstone coating - Jaskinia Piętrowa Szczelina near Mirów. Layers of a fine-crystalline calcite undergone recrystallisation. Primary lamination partially preserved. Specimen - 25cm.	Stalagmite - Jaskinia Ciemna, Prądnik Valley. Bottom - limestone boulder, above alternate layers of a light fine-crystalline calcite and carbonaceous laminas (traces of fire used by a prehistoric man in a cave). Specimen - 22cm.