Barite pseudomorph after Alstonite
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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)
Minerals of the English Midlands
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