Gold natural agate slice on brass square base
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Green Nontronite from Brazil (170G.) in glass box
Green Nontronite from Brazil (110G.) in glass box
Smoky quartz cluster Mont Blanc- Glacier de Leschaux- in collector's glass box
Block of blue salt from the Alsace Potassium mine (FR)
Slice of amethyst geode bordered with agate, black base