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Copperas Efflorescence

Mr. Medor of Santa Cruz has extensive ferrous sulphate deposits in his gulch.

Mr. Medor of Santa Cruz has extensive ferrous sulphate deposits in his gulch.

From Mining Magazine 1854, p459

The mineral encrusting the Medor gulch was Melanterite, naturally occuring hydrated ferrous suphate FeSO4.7H2O

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