Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.
The Unclassifiables
“Jeepite” block – Ohio, USADisplayed in a metal cage
“Fordite” block – Ohio, USADisplayed in a metal cage
Crystallized calcite specimen (Trepça, Kosovo) – 1.5 kgDisplayed under a round glass dome
MINNESOTAITE (Austria) – 575 gOn square black base
“Jeepite” block – Ohio, USADisplayed in brass adjustable round stand
“Jeepite” block – Ohio, USADisplayed under a glass dome
Purpurite from Brazil (2.2kg), under rectangular glass and black base
Black Tourmaline from Brazil (8.2 kg), black base
Blue chalcedony slab (Brazil) 2.5 kg displayed on a brass base
Crystallized calcite specimen (Trepça, Kosovo) – 1.8 kgDisplayed on a square black metal base
Natural Sulfur from Boliviaon black stand
Natural Sulfur from Boliviaon black stand
Natural Sulfur from Boliviaon black stand
Libyan desert glass fragment under magnifier
Slice of amethyst geode bordered with agate, black base
Slice of amethyst geode bordered with agate, black base
Prism of gabbro from Madagascar (1.3kg) on black base
Prism of gabbro from Madagascar (2.1kg) on brass base