1251 Pharmacosiderite, Copper Stope, Majuba Hill, Pershing Co, Nevada, USA
Green cubes of pharmacosiderite. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
Nevada
ncat JP2-24-2 A2105 Creedite, Hall Molybdenum Mine, San Antone District, Nye Co., Nevada, USA
Closeup of a single creedite crystal. Ex Jo Price Collection. Height of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
ncat RAM4 CW38 5123 Realgar, Stibnite, Orpiment, Sulphur, Quartz, Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
Red realgar with orange orpiment, silver stibnite, pale yellow sulphur, tiny colourless quartz crystals, and some unknowns. Ex Charles Willett Collection. Width of view 6mm. Stack of 100 images. Click on the image below for a higher resolution version.
ncat JLMAR01 JL1691 Hewettite, Variscite, Gold Quarry Mine, Maggie Creek Mining Subdistrict, Carlin Trend, Eureka Co., Nevada, USA
Reddish-brown fibres of hewettite with bubbly grey variscite balls and unknown lime green mineral (vésigniéite? maybe). Ex Joan Lamond Collection. Width of view 7.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
2289 Mixite, Adamite (Cuprian), Simon Mine (Nevada Mine), Bell Mining District, Mineral County, Nevada, USA
Labelled as mixite and cuprian adamite. Is it mixite or agardite? Cuprian adamite or zincolivenite? Mindat lists all. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
2023 Goudeyite, Olivenite, Majuba Hill Mine, Antelope Mining District, Pershing County, Nevada, USA
Type Locality for goudeyite. Green patches of botryoidal goudeyite and tiny needles visible under higher magnification, with pale-coloured prismatic olivenite crystals. Ex Richard Grant Collection. Width of view 5mm. Stack of 47 images. Click on the image below for a higher resolution version.
4507 Searlesite, Esmeralda Formation, Silver Peak Range, Esmeralda Co., Nevada, USA
Colourless prismatic crystals. Ex Jim Ferraiolo. Width of view 2.5mm. Stack of 51 images. Click on the image below for a higher resolution version.
0064 Chalcophyllite, Majuba Hill Mine, Antelope Mining District, Pershing County, Nevada, USA
Bluish-green platy crystals of chalcophyllite. Ex John Sobolewski. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
4070 Pottsite, Clinobisvanite, Linka Mine, Potts, Lander Co., Nevada, USA
Yellow pottsite and small areas of orange clinobisvanite. Specimen is 6mm wide. Type Locality for pottsite. Acquired from Jim Ferraiolo 6/2005. Click on the image below for a higher resolution version.
