Barite from the Zigazinskaya dacha (Southern Urals)

Abstract

I have encountered this mineral in a massive form moderately rounded pebbles up to half the size of a fist, consisting of barite with a minor inclusions of galena, in the bed of the Naratay River, two verts to the southwest of the Narataevsky iron mine. The barite in these pebbles forms a medium- to coarse-grained aggregate, with indivisible particles often arranged in an elongated manner in one direction, forming a somewhat layered structure.

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