Colourless/white rhombohedral calcite crystals with club-shaped yellow mimetite. Ex Scott Braley. Width of view 6mm. Stack of 120 images. Click on the image below for a higher resolution version.
Tiny pyrite crystals on the face of a barite crystal, with dark purple fluorite associated. The barite is said to be coloured because of pyrite inclusions, but that even under a microscope, crystals can’t be seen. Except in this case you can see them. Width of view 5.75mm. Stack of...
A small piece of gypsum collected at the same time as specimens of barite, calcite and fluorite. Width of view 11.5mm. Stack of 66 images. Click on the image below for a higher resolution version.
Blue fluorescent purple octahedral crystals on quartz. Ex Art Smith Collection. Ex Carl Stazak. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Collected by Mike Reinke. Width of view 6.5mm. Stack of 80 images. Click on the image below for a higher resolution version.
Amethyst and red rutile found in a boulder by Jerry Cone when in an arroyo with Mike Reinke where Route 187 crosses over Kelly Canyon West, a few kilometres north of Caballo. Width of view 6.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
