Madagascar green opal sphere, spinning brass stand.
MINERAL
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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
Sodalite ball, spinning brass stand
crystals of Beaujolais Morgon barrels
crystals of Beaujolais Moulin a vent barrels