5553 Topaz, Opal, Conca Cannas quarry, Masullas, Sardinia, Italy March 23, 2018 Steve Europe Italy Prismatic and acicular topaz crystals, with opal coating tridymite, and also capping one of the topaz crystals, from the Conca Cannas quarry, Masullas, Mt. Arci, Oristano Province, Sardinia, Italy. Click for full sized image…
Australasia Australia Tasmania 3171 Magnesio-Arfvedsonite, Aegerine, Microcline, Opal, Grossular, Vesuvianite, The Lea, near Kingston, Tasmania October 3, 2019
Australasia Australia Victoria ncat ANK T8 Topaz, Wombat Creek, Strathbogie Ranges, Strathbogie Shire, Victoria January 12, 2023