1276 Sonoraite, Emmonsite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Single platey crystal of yellowish sonoraite with green emmonsite.
1274 Chalcocite, Cook’s Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
Collected in 1820 and acquired from the Captain Sara Collection by Brian Shelton , a beautiful well-formed thumbnail with classic silvery black chalcocite crystals on a quartz matrix.
1270 Barite, Snuff Horn Lead Shaft, Old Moulds Mine, Langthwaite, Arkengarthdale, North Pennines, North Yorkshire, England
A little miniature specimen from early old small shaft workings in the Moulds area. Translucent to clear small ‘spear tip’ baryte crystals in a baryte matrix. Specimen is 30x29mm.
1258 Cerussite, Goldscope Mine, Newlands Valley, Braithwaite District, North and Western Region (Cumberland), Cumbria, England
White micro jack straw cerussite crystals on quartz matrix. From one of the most recognisable locations in the Lake District. The Goldscope workings, now protected, date back to the late Elizabethan 16th Century.
1248 Sphalerite, Quartz, Admiralty Flats, Nentsberry Haggs Mine, Nent Valley, Alston Moor District, North Pennines, North and Western Region (Cumberland), Cumbria, England
Quartz epimorph after sphalerite(?) with lustrous sphalerite crystals.
1244 Barite, White Coppice Quarry, Chorley, Lancashire, England
Tiny white micro spear baryte crystals on matrix. A rarely offered location specimen from central Lancashire.
1240 Cuprite, Copper Queen Mine (Halero Mine), Queen Hill, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Copper crystals showing dissolution features. Ex Arthur L Flagg Collection, 1937. Ex Trevor Boyd Collection.
1237 Cuprite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Lustrous red cuprite crystals. Ex Trevor Boyd Collection.
1235 Delafossite, Cuprite, Vaalhoek Mine (Valhoek Mine), Pilgrim’s Rest, Pilgrim’s Rest District, Mpumalanga Province, South Africa
Dark delafossite matrix with red cuprite crystals. Ex Arthur L Flagg Collection, 1950s. Ex Trevor Boyd Collection. Labelled as Vaalhoek Mine, Transvaal.
1229 Vauxite, Paravauxite, Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosi Department, Bolivia
Type Locality for both species. Light blue vauxite and aqua green paravauxite. Ex Trevor Boyd Collection.
1224 Gold, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Gold in matrix, 10x5mm. Ex Roland Fogg MM Collection, 1971. Ex Trevor Boyd Collection.
1221 Silver, McMillanville (McMillanville District), Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
A dense aggregate of native silver wires, 9x6mm. Ex Roland Fogg MM Collection, 1967. Ex Trevor Boyd Collection.
1219 Calcite, after Aragonite, Fort Collins area, Larimer Co., Colorado, USA
Pseudomorph. Labelled as calcite ps hanksite, Larimer Co., California. Described as rarely seen pseudomorph with label indication that it was in the American Museum Natural History and dated 12/11/78. Diameter is 2.5 cm. There are two issues with this. Firstly, it is calcite after aragonite. Secondly, Larimer Co. is in...
1217 Platinum, Tuba River, Western Siberia, Russia
Several dozen of these little nuggets, at least, mounted on a square of stiff yellow paper glued to the top of a cork pedestal in a two piece black plastic micromount display case. From the collection of the late Charles E. Bosworth, whose label states that these nuggets were collected...
1215 Sugilite, Norrishite, Hoskins mine, Grenfell, Forbes Co., New South Wales
Purple specs of sugilite with brownish-black norrishite. Ex Joan Lamond specimen 3165. Joan acquired it from the Melbourne Museum in 1999.
1189 Variscite, Beauvoir quarry, Echassieres, Ebreuil, Allier, Auvergne, France
Prismatic colourless crystals. Superb!