Iron meteorite
A collector’s piece of an iron meteorite with an exceptionally well-done articulated surface that fell into the region of northern […]
Septarian
Large septaria filled with Quartz. The septaria was found during the excavation of the metro in the Ordovician layers at […]
Columnar slate
A very nice example of extremely elongated grains in gneiss from the classic locality of Doubravčany near Kolín.
Obsidian
Large flaky black-gray partly banded piece of obsidian from Armenia.
Meteorite
Very nice 334-gram iron meteorite from the Argentine location Campo del Cielo.
Moldavite
Dripstone deeply sculptured with several very tiny (under 1 mm) shiny spots. Beautiful moldavite from the Chrášťany locality, weighing 10.1 […]
Moldavite
Beautiful flat, partially curved moldavite of teardrop shape with very nice sculpture. The moldavite has a 4-5 mm shiny spot […]
Moldavite
An undamaged Moldavite with rich sharp sculpture.
Moldavite
Unblemished moldavite with a beautiful luster.
Moldavite
Undamaged rounded moldavite with deep sculpture.
Moldavite
Moldavite originally in the shape of a drop with very pronounced, sharp sculpture, which formed on it after it was […]
Moldavite
A thin, bent disk of olivine on one side with pronounced sharp sculpture, and on the other with a pitted […]