112 



Eiu'ope. 



Cornwall. 



Less common 



Copper 



Minerals. 



639, Bussia; clirysocolla, showing well tlae encrusting habit of 

 the mineral. 



6799, Russia; malachite. Eussian malachite has a great 

 reputation, being in request for ornamental purposes. 



646, Laurium, Greece ; azurite with adamite (arsenate of 

 zinc) . Various ores from Scandinavia, Kussia, Spain, Saxony, and 

 Italy are exhibited. 



The copper industry of Cornwall is almost extinct. Crystallised 

 specimens, and rare copper minerals were frequently found in the 

 Cornish mines. 



6230, South CondurroAY Mine ; native copfer. 635, Eedruth ; 

 cuprite in beautiful octahedral crystals. 684; cuprite in octa- 

 hedral crystals. 6247, Botallack Mine ; a variety of ataeamite 

 known as tallingiie — a blue encrustation. 658, Eedruth; 

 crystallised hornite — bornite is generally massive. 7446, Bristol 

 (U.S.A.) ; crystallised copper glance. 



Clialcotricliite, a hair-like variety of cwprite. 638, Cornwall ; 

 beautiful silky crystals bridging across cavities lined with cuprite. 

 3207, Arizona. 



Boliite, oxy-chloride of copper and lead, with chloride of 

 silver. An ultramarine-coloured mineral crystallising in perfect 

 cubes. It has been found at Broken Hill. 5405, Mexico. 



Linarite, hydrous sulphate of copper and lead. 5811, Cerro 

 Oordo, California. 



Libetlienite., hydrous phosphate of copper; of a rich green 

 colour. 6246, Phoenix Mine, Cornwall. 



Chalcosiderite, hydrous phosphate of copper and iron. 6235 

 Phoenix Mine, Cornwall ; a green encrusting substance. 



OJivenite, hydrous arsenate of copper; a yellowish green 

 fibrous mineral. 8403, Tintic, Utah, U.S.A. 6244, 678, Corn- 

 wall. 



Goniclialcite, arsenate of copper and lime, 

 ferous), Tintic, Utah, U.S.A. 



£018 (argenti- 



