We
are pleased to inform you that the mineral coronadite has just been identified
at the Rosh Pinah Zinc Mine for the first time.
It is a predominantly lead based mineral with the
formula Pb (Mn4+, Mn3+)8O16. It is monoclinic, with a
hardness of 4½-5, and a member of the Cryptomelane Group. Its morphology is
massive, with boytroidal crusts with a fibrous structure. It was first
identified as a mineral in 1904, and is named after Francisco Vasquez de
Coronado (ca. 1500-1554), the first Sp...
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