Quartz (Var: Amethyst)

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A very fine and highly unusual pseudomorph from the famous basalt flows of Irai, Brazil. Sparkly, purple to brownish-purple amethyst has pseudomorphed (casted) a very large, 9.5 cm, hexagonal, poker-chip calcite crystal. Smaller pseudomorphs add character to this dramatic piece, which is hollow and lightweight for its size. Rare, large size for this material, unusual in its good condition. Ex. Robert Nowakowski Collection.