Precious opal
Raw, partially polished and cut precious opal in rock from Honduras. The size of the cut stone is 10 x […]
Sugilite
Polished cabochon of rich purple Sugilite – a rare lithium silicate.
Moldavite
Triangle cut moldavite with a weight of 18.3 carats.
Moldavite
A brilliant-cut moldavite weighing 15.3 carats.
Olivine
Polished, very clean olivine from the quarry near Železný Brod.
Precious opal
White polished Australian opal with rich opalescence. The stone is polished on all sides except the bottom.
Fossilized araukaria
Large specimen of araucaria from Nová Paka, Czech Republic. Specimen of fossilized wood – araucaria.
Garnet - almandine
Sample of a beautifully colored and cut almandine garnet from Mozambique A high-quality sample of dark red cut almandine with […]
Topaz
A 16-carat clear topaz step-cut .
Variscite
A beautiful specimen of aluminium phosphate variscite from the locality of Clay Canyon, Utah, USA. An interesting sample of polished […]
Agate
Beautiful specimen of agate from the locality Železnice, Czech Republic. Polished sample of agate and jasper.
Agate
A nice sample of agate from the Kozákov locality, Czech Republic.