Counter weight machinery to open a geode
MINERAL
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Slice of amethyst geode bordered with agate, black base
Labradorite slab (Madagascar)3.8 kg – displayed on a black base
Set of 3 Menilite opals (spain) on mini-cube
Crystalized branch with gypsum under glass (Wahpool lake, Australia)
Lapis-lazuli 83kg, on black metal base