Home > American Minerals II – April 7 > MS1563 Sussexite with Zincite

Sussexite with Zincite

Sussexite is a nominally a manganese borate, typically showing magnesium substitution, as the mineral forms a solid solution series with szaibélyite. Brush (1868) named the mineral after Sussex County, wherein the type locality resides. Zincite is one of the first new minerals described from the United States, recorded as red oxide of zinc by Bruce (1810). Later, Haidinger (1845) renamed the species for its zinc content.

At Franklin, sussexite commonly forms as a vein filling material. In this example loose flexible fibers emanate from a central compact mass of sussexite. The vibrant orange color comes from finely dispersed zincite in the dense core of the specimen.

Price: $65

Item code: MS1563

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