MINERAL
Active filters
Counter weight machinery to open a geode
Geode of agate on round brass base. Mexico
Pipe geode of ametyst -30kg- Madagascar
Brazilian agate slice (1.1kg) on brass base
Polished labradorite from Madagascar (3.7kg)
Menilite Opal from Agramon (Spain) in matrix
Golden labradorite from Madagascar (3.5kg)brass base
Sandcalcite aggregate from Hungary, under glass