big pan
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བིག་པན
a kind of med. salt, potash, sulphuric acid [IW]
a kind of med. salt, [sour and salty, heating, overcoming 'bras dang skran bshig, mig gi ling thog] [IW]
(med) Chalcanthite, Copper(II) sulfate pentahydrate CuSO4·5H2O (Drungtso 1999, Phrin Las 1987, Yeshi 2018). Synonyms : mtshur ngon, sag rtsi, sag ram rtsi (Yeshi 2018). Chalcanthite is natural, water-soluble copper sulphate. A secondary mineral that is formed in arid climates or in rapidly oxidizing copper deposits. It is usually of post-mining formation, forming on mine walls and by the action of acidic surface waters on copper veins. Also called blue vitriol or copper vitriol (mindat.org) Johannes Schmidt (talk) 14:50, 22 November 2021 (UTC)