3593 Fluorapophyllite-(K), Analcime, Cambokeels Mine, Westgate, Stanhope, County Durham, England, UK
Colourless blocky fluorapophyllite-(K) crystals, with some rainbows, on colourless, hard to see, almost invisible, trapezohedrons of analcime. Ex Richard Bell. Width of view 6mm. Stack of 55 images. Click on the image below for a higher resolution version.