The Unclassifiables
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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
Black Tourmaline from Brazil (8.2 kg), black base
Black Tourmaline from Brazil (5.3 kg), black base
Polished Pinolite from Austria -700gr-