Prism of gabbro from Madagascar (5.1kg) on brass base
MINERAL
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3.1kg Manganocalcite (Huanzala Mine), displayed in a UV lamp cage
Agate slice from Brazil (1kg) on brass stand
Polished green malachite (1.5Kg) on brass base
Brazilian agate slice (1.1kg) on brass base
Boulder Opal (two parts) of 535g on brass base -Australia-
Sandcalcite aggregate from Hungary, under glass