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Counter weight machinery to open a geode
Smoky quartz (1.5Kg) with recrystallization (Brazil), presented in a cage
Pipe geode of ametyst -30kg- Madagascar
Cubic Pyrite on slate - St Créac (France)
Crystalized branch with gypsum under glass (Wahpool lake, Australia)
Cubic Pyrite in slate 10kg - St Créac (France)