Crystal with prehistoric water on brass machinery
MINERAL
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CORALLOID ARAGONITE (Portugal) -930g- displayed under a rectangular glass dome
Black Tourmaline from Brazil (8.2 kg), black base
Apophyllite on chalcedony under glass (India)
Brazilian agate slice (490g.) on a brass base
Quartz from Madagascar with chlorite inclusions on black base
Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.