胆矾
Dan Fan
NamingDan Fan (Chalcanthite)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Dan FanOriginThe blue vitriol or manmade hydrous blue vitriol (CuSO4 •5H2O) of the family Vitriol.LocationMost area in China.HarvestMined all the year round.The actual smell and tasteAstringent taste.Best qual
Chalcanthite
NamingDan Fan (Chalcanthite)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of ChalcanthiteOriginThe blue vitriol or manmade hydrous blue vitriol (CuSO4 •5H2O) of the family Vitriol.LocationMost area in China.HarvestMined all the year round.The actual smell and tasteAstringent taste.Best