Goslarite

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What Wikipedia says

Goslarite is a hydrated zinc sulfate mineral (ZnSO4 · 7 H2O) which was first found in the Rammelsberg mine, Goslar, Harz, Germany. It was described in 1847. Goslarite belongs to the epsomite group which also includes epsomite (MgSO4 · 7 H2O) and morenosite (NiSO4 · 7 H2O).

Excerpt from the Wikipedia article “Goslarite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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