Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.
The Unclassifiables
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Turquoise howlite on black base
Amazonite prism (Madagascar), black base
Amazonite prism (Madagascar), black base
Amazonite prism 550Gr. (Madagascar), black base
Polished landscape block (1.2Kg) brass base
Polished landscape block (935g) brass base
Chinese landscape-stone rectangular cut on brass stand. 920gr
Polished ketonite (665g), black base
Polished ketonite (975g), black base
Boulder Opal (two parts) of 345g on black base -Australia-
iridescent Goethite from Tharsis (Andalousia)), black base
“Fordite” block – Illinois, USADisplayed on a brass base
“Jeepite” block – Ohio, USADisplayed on brass base