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
crystals of Beaujolais Moulin a vent barrels
Prism of gabbro from Madagascar (2.1kg) on brass base
Prism of gabbro from Madagascar (5.1kg) on brass base
Prism of gabbro from Madagascar (6.2kg) on brass base