Zoned yellow and brown sphalerite crystals with colourless rhombs of dolomite and colourless round groups of quartz crystals. A couple of very pale yellow sphalerite crystals exhibit an unusual pinkish fluorescence. Width 9mm. Stack of 120 images.
5688 Sphalerite, Quartz, Dolomite, Lockport, Niagara Co., New York, USA
