Slice of amethyst geode bordered with agate, black base
MINERAL
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Tin and lead explosion from Paris roofs under glass globe
Tin and lead explosion from Paris roofs under glass
Menilite Opal of agramon, Spain in matrix. 680gr.
Block of blue salt from the Alsace Potassium mine (FR)
Crystalized branch with gypsum under glass (Wahpool lake, Australia)