caledonite


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caledonite

[‚kal·ə′dä‚nīt]
(mineralogy)
Cu2Pb5(SO4)3CO3(OH)6 A mineral occurring as green, orthorhombic crystals composed of basic copper lead sulfate; found in copper-lead deposits.
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These, first briefly described by Knopf (1914), included linarite, caledonite, anglesite, wulfenite, hemimorphite and cerussite.
5 mm) of anglesite occur with brochantite, caledonite, chlorargyrite and linarite in cavities at the Reward mine.
Intense oxidation resulted in a remarkable assemblage of supergene lead and copper sulfates including fine specimens of linarite, caledonite and leadhillite.
It has been found as microcrystals with caledonite, leadhillite and susannite on quartz, and in cavities in etched galena with minute sprays of pale blue lanarkite.
Matlockites, Suzannites, Leadhillites, Lanarkites, Caledonites, Chromo-phosphates [chromian pyromorphite], Pyromorphites, Kampylites, Vanadinites, Wulfenites, and Linarites.
Bandy (1944) described bright blue crusts of a mixture of linarite and caledonite near Level 355 of the Salvadora shaft.
Existing mineral nomenclature already displays a number of examples of unfortunately similar names that are easily confused; names such as celadonite and caledonite, or mallardite and malladrite can easily be misspelled; names such as rhodesite, rhodizite and rhodusite are euphonically very similar.
Moreover, many interesting copper and lead alteration minerals, such as susannite, caledonite, linarite, langite and shultenite (P.
Veins of galena follow irregular fractures in the breccia, and minor amounts of copper sulfides associated with the galena are altered principally to linarite and caledonite.
Our apologies are extended to an unrecorded source who provided information on a new scrutinyite location: the Snake Pit mine, Hansonburg district, Socorro County, where scrutinyite occurs as elongated black crystals on quartz crystals with caledonite, or as encrustations on galena.
Many good caledonites are present, but none from Tiger.