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 1802 Unknown Tourmaline in Fluorite, Mt Bischoff, Waratah, Tasmania September 22, 2019
Australasia Australia Queensland ncat JP1772 Fluorite, Calcite, Opal, Monakoff Mine, Cloncurry, Cloncurry Shire, Queensland May 14, 2023
Mexico North and Central Americas 3511 Woodruffite, Calcite, Adamite, Santa Eulalia, Chihuahua, Mexico October 3, 2019