SCANDINAVIAN MINERALS

Posnjackite, Drakewalls Mine, Callington, Cornwall, England.

Posnjackite is a copper sulphate hydrate.
The colour is bluish to greenish.

Chemical formula: Cu₄SO₄(OH)₆ · H₂O.
Additional reading Mindat.org

All prices are in Swedish currency or US$.
Exchange rate 100:- SEK. (= €10, $9, £12)
No Discount.

This specimen was published in September 2026.

Item: pos. Posnjackite, Drakewalls Mine, Callington, Cornwall, England. Size: 4x3.5cm. 42:-SEK. US$4.00.

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