Síra, celestýn
Intenzivně žluté krystaly síry až 1,5 cm velké narostlé na drúze čirých celestýnů. Vzorek je ze stran a ze spodu […]
Síra, celestýn
Oboustranný vzorek intenzivně žlutých krystalů síry s čirými jehlicemi celestýnu ze zaniklého polského dolu.
Anhydrite
Kidney-shaped aggregates of chalk-white anhydrite from a historical Polish locality .
Epidote, stilbite
Green columnar crystals of epidote up to 1 cm in size with beige stilbite.
Amber with a mosquito
Partially polished piece of transparent amber with the remains of a 3 mm large mosquito.
Amber
Large piece of dark natural amber.
Amber
A large piece of natural fossilized resin from the Baltic Sea.
Celestine, aragonite
Extended needles of clear Celestýn up to 1 cm large grown on beige Aragonite. The bottom of the sample contains […]
Halite
Specimen of translucent halite from a renowned Polish locality with distinctive blue zones.
Celestine, sulfur
Clear crystals of lustrous celestine up to 1 cm in size are abundantly growing into space, accompanied by yellow crystalline […]
Hauerite
Octahedral crystals of a rare sulfide of manganese protruding from clay. The dimensions of the crystals are 10 and 6 […]
Celestine, sulfur
Aesthetic druse of columnar aragonite crystals together with grains of yellow sulfur from the classic Polish locality Tarnobrzek.