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An open slice Amethyst Geode with calcite crystals from the Rio Grande Do Sul, Brazil; image credit on full record.
The calcite crystals on the open slice Amethyst Geode; image credit on full record.

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Mineral Sample; Amethyst Geode, Calcite Crystals, Brazil, 21 inch.

An Amethyst Geode, Rio Grande Do Sul, Brazil, open cross section [mineral sample] with calcite crystals.

p4A Item D9690449
Category:  natural history    Origin:  Brazil
Type:  mineral samples    Year: 

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