20042 Alabandite, Uchucchacua Mine, Oyon Province, Lima, Peru October 27, 2019 Steve Peru South America Sharp octahedral grey crystals of alabandite in a matrix of fluorite and calcite, both of which fluoresce (blue and pink respectively). Click for full sized image…
Australasia Australia Tasmania 5064 Calcite, Pyrite, Mt Cleveland Mine, Luina, Tasmania September 29, 2019
Europe Sweden ncat JP2087 Stellerite, Calcite, Malmberget, Gallivare, Lappland, Sweden October 11, 2019