Barite pseudomorph after Alstonite

Barite pseudomorph after Alstonite

Nentsberry Haggs Mine, Nenthead, Cumbria, England

1887

A fine specimen from the find some years ago of Alstonite crystals replaced by Barite. The matt white barite has faithfully retained the original pseudo-hexagonal habit of the Alstonite in crystals up to 6mm.

Formulas: Alstonite BaCa(CO3)2 ; Barite BaSO4

Status: Sold

Dimensions: 55x43x37mm

Size: Miniature (M)

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