Counter weight machinery to open a geode
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Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Mexican sand stone on stand, brass base
Pink amethyst slice from Brazil (2.4Kg) on brass base
Double-pointed crystallized white quartz (215g), in a reliquary; originating from Romania
Boulder Opal (two parts) of 535g on brass base -Australia-