Purple Botryoidal chalcedony from Sulawesi, on black base
MINERAL
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Madagascar green opal sphere, spinning brass stand.
Menilite Opal from Spain in matrix
Prism of gabbro from Madagascar (5.1kg) on brass base
Prism of gabbro from Madagascar (6.2kg) on brass base
crystals of Beaujolais Moulin a vent barrels