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Large and scultural natural Smoky quartz with partially heavy included Feldspar from Diamantina, - Height: 14 cm- 274 g

Cluster of quartz crystals coated with clear quartz microcrystals and Calcite - Solidade Rio Grande - Height: 7 cm- 118 g

Transparent rhombohedral Calcite crystals colored by Marcasite inclusions - Becke Oese, Germany - Height: 7 cm- 138 g

Set of 6 Mineral Specimens - Kamariza Mines Greece - Arsenopyrite Allophane Conichalcite Austinite- 234 g - (6)

Cluster of Calcite scalenohedrons up to 4 cm on matrix - Becke Oese quarry Germany - Height: 6 cm- 290 g

Set of 16 Fluorescent Minerals SW+ LW Hyalite Scheelite/ Powellite Quartz Diopside Phlogopite- 741 g - (16)

Set of 9 Quartz crystals - Ferruginous quartz, Faden quartz, Amethyst, Smokey quartz, Phantom- 190 g - (9)

Large polished slab of light and dark brown banded sphalerite, wurtzite (variety schalenblende), and - Width: 28 cm- 1255 g