Barite pseudomorph after Alstonite

Barite pseudomorph after Alstonite

Nentsberry Haggs Mine, Nenthead, Cumbria, England

2395

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 7mm.  Associated with the alstonite pseudomorphs are sparkling sphalerite and quartz crystals. Ex. Chris Jewson collection

Formulas: Alstonite BaCa(CO3)2 ; Barite BaSO4

Status: Sold

Dimensions: 47x30x15mm

Size: Miniature (M)

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