Crystallized Bismuth City under Rectangular Glass Dome
MINERAL
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Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.
Green Fluorite - Namibia - under rectangular glass with LED
Large crystals 8Kg Fluorite -Madagascar- brass base
Boulder Opal (two parts) of 345g on black base -Australia-