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26-aragonite-mineral

26 - Aragonite Mineral


26 – Aragonite Mineral
alarmPublication date: 19 November, 2021

Bush or coral?

This sample comes from the old pyrite mine of Preguiça (Alentejo) and it is made of aragonite (calcium carbonate, Ca CO; It was formed like a stalactite, by calcium carbonate precipitation, from the groundwaters.

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