A steeply-terminated calcite crystal with a dark core in a vugh lined with phillipsite and chabazite crystals. The main calcite crystal fluoresces orange under longwave ultraviolet light. A second partial brown calcite fluoresces bright white. Ex Ashleigh Watt Collection. Width of view 9mm. Stack of 80 images (whitelight), 17 (UV).
Click on the images below for a higher resolution version.
