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.
Green cubes of pharmacosiderite. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
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.
Blue puffballs of plancheite with bluish-green chrysocolla. Shattuckite present elsewhere on the specimen. Ex Steve Pullman (purchased by him at Tucson in 1991). Width of view 6mm. Stack of 69 images. Click on the image below for a higher resolution version.
Green acicular sprays of libethenite. Width of view 6mm. Stack of 120 images. Click on the image below for a higher resolution version.
Green pseudo-octahedral crystals on quartz. Ex Jo Price Collection. Width of view 3mm. Stack of 40 images. Click on the image below for a higher resolution version.
Isolated green libethenite crystals. Width of view 3mm. Stack of 100 images. Click on the image below for a higher resolution version.
Greenish-yellow crystals showing some sceptre growth. Ex Mark Hallam Collection. Width of view 9mm. Stack of 55 images. Click on the image below for a higher resolution version.
Lemony-green barrel-shaped crystals, some with paler green terminations. Ex Mark Ascher 9/2007. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
A small group of cerussite crystals, no matrix, showing some reticulation, and fluorescing light orange under longwave UV. Ex Scott Braley. Width of view 3mm. Stack of 35 images. Click on the image below for a higher resolution version.
Green hexagonal bastnäsite-(Ce) crystal in a cavity in fluorite. A pyrite crystal beginning to alter to goethite. White to pink acicular-looking barite. Ex Jo Price Collection. Width of view 6mm. Stack of 50 images (bastnäsite-(Ce)). Stack of 40 images (pyrite). Stack of 40 images (barite). Click on the images below...
A specimen that shows some of the geological process. Brown brecciated rock fragments and a muscovite crystal (top left of photo) embedded in purple fluorite and white calcite(?). Ex Scott Braley. Width of view 6mm. Stack of 62 images. Click on the image for a higher resolution version.
Crude pyrite crystal (top of photo) with black mottramite. Ex Scott Braley. Width of view 6mm. Stack of 45 images. Click on the image below for a higher resolution version.