5688 Sphalerite, Quartz, Dolomite, Lockport, Niagara Co., New York, USA July 10, 2020 Steve New York North and Central Americas United States 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.
Australasia Australia Tasmania ncat VHD7, Quartz, Hematite, Prince Lyell Shaft, Mount Lyell, Queenstown, Tasmania November 17, 2019
Idaho North and Central Americas United States ncat JL2456 Polybasite, Quartz, De Lamar Mine, Owyhee Co, Idaho, USA October 15, 2019