0627 Calcite, Mt Cleveland October 1, 2019 James Melville Australasia Australia Tasmania Iron-stained rosettes of Calcite on a pyrite-fluorite-dolomite matrix. There are crystals of the rare tourmaline species, Luinaite-(OH) on the underside. From the Mt Cleveland Mine, Luina, Tasmania, Australia. 50 mm across. click to view full size image …