A manual of mineralogy

A manual of mineralogy

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It is found massive and of a smalt- blue colour in Cornwall ; compact and earthy, the earthy blue copper of Jameson, in Siberia and Thuringia; and in amorphous rounded concretions, ... Philips also mentions it from Rezbanya in Hungary.

Title:A manual of mineralogy
Author:Robert Allan
Publisher: - 1834


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