Cuprite
Cubes of dark metal-shiny cuprite octahedra. The largest crystal is 2 cm large.
Aenigmatite
Black well-cleavable crystal of silky lustrous aenigmatite enveloped by fibrous aggregates of astrophyllite in a greenish microcline. The crystal is […]
Malachite
Partially polished botryoidal aggregates of dark green Malachite.
Emerald
A two-centimeter large Emerald crystal unusually grown in white Feldspar .
Native iron .
Polished sample of natural iron formed at the contact of basalt with a coal seam.
Diopsid
Drúza světle zelených krystalů diopsidu až 8 mm velkých. Na dením světle se dostanou intenzivněji zelenou barvu a špíčky krystalů […]
Phenakite
A crystal of colorless translucent beryllium silicate – phenakite from one side terminated by a prism. Malyševo is a type […]
Citrine
Crystal of very clean citrine with phantom crystals of limonite in the bottom part. The crystal is partially healed from […]
Emerald .
A two-centimeter-long hexagonal Emerald crystal protruding from Feldspar .
Andradite
Cluster of very glossy, dark brown crystals of calcium-iron garnet. The largest crystals are 7 mm in size.
Amesite
Columnar crystals of blue amesite with pronounced basal cleavage about 1 mm in size.
Garnierite
Green crust garnierite – a mixture of Ni silicates from the Ural.