Black Tourmaline from Brazil (8.2 kg), black base
MINERAL
Active filters
Apophyllite on chalcedony under glass (India)
Crystal with prehistoric water on brass machinery
Brazilian agate slice (490g.) on a brass base
Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.
Gypsum from France, on black base (920g.)