chalcanthite


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chalcanthite

(kælˈkænθaɪt)
n
(Minerals) a blue secondary mineral consisting of hydrated copper sulphate in triclinic crystalline form. Formula: CuSO4.5H2O
[C19: via German from Latin chalcanthum copper sulphate solution, from Greek khalkanthon, from khalkos copper + anthos flower; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chalcanthite - hydrated blue crystalline form of copper sulfate
copper sulfate, copper sulphate, cupric sulfate, cupric sulphate - a copper salt made by the action of sulfuric acid on copper oxide
References in periodicals archive ?
Together with her father the aritst visited the glowing chalcanthite in the old gallery of Rammelsberges, Goslar.
Small (1 mm) masses of pale blue, transparent chalcanthite are rare but have been found in the Reward mine.
Copper sulphate is a mineral that occurs in nature, and 'chalcanthite' is a particularly attractive form.
Yellow and blue magnesiocopiapite and aluminocopiapite, white epsomite and wilcoxite, and blue chalcanthite coat the hematite walls.
(2003) This study Azurite X X Barite X Brochantite X X Chalcocite X X Chalcanthite X Chrysocolla X X Copper X X Covellite X Cuprite X X Delafossite X Malachite X X Neotocite X Plancheite X Tenorite ("melaconite") X X [FIGURE 15 OMITTED]
Is Hauy's "cuivre sulfate" then chalcanthite, brochantite or antlerite?
The iron sulfate melanterite is found as colorless, water-soluble fibers; blue copper sulfate chalcanthite lamellae and blue-green aggregates of acicular crystals of the Ca-Cu-Zn sulfate serpierite (some accompanied by green spherules of cornwallite) are found at Aghbar.
Masses of beautiful blue crystals of post-mining chalcanthite are found in several sections of the mine, especially along the San Jose vein, growing in fissures in the rock walls or hanging from wooden beams, and these are popular with local mineral collectors, although many of their specimens of calcantita are really the more common cuprian melanterite.
Chalcanthite was scarce in oxidized veins at the Gold King and Lone Jack mines and in the Ophelia, Chicago, and Cripple Creek tunnels (Lindgren and Ransome, 1906).