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…
Co. Antrim Northern Ireland United Kingdom 4822 Tridymite, Tardree Mountain, Co. Antrim, Northern Ireland October 5, 2019
New Mexico North and Central Americas United States ncat JP881, Spessartine, Topaz, Quartz, East Grants Ridge, Cibola Co., New Mexico, USA September 23, 2019
Cornwall England United Kingdom 3604 Topaz, Rutile, Wheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK September 23, 2022