5613 Cristobalite and Sanidine in Obsidian, Poihipi Road, Taupo, New Zealand December 24, 2018 Steve Australasia New Zealand 5613 Cristobalite and sanidine in obsidian, Roadcut Section, Poihipi Road, Taupo District, Waikato Region, North Island, New Zealand. Photo width 5mm. Stack of 80 shots. Click for full sized image…
Europe Germany 4706 Pseudobrookite, Sanidine, Wannenköpfe, Ochtendung, Polch, Eifel, Rhineland-Palatinate, Germany November 16, 2018
Australasia New Zealand ncat JP0418 Cristobalite, Mayor Island (Tuhua), Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
Europe Germany ncat JP1783 Cristobalite, Mendig, Eifel, Rhineland-Palatinate, Germany October 11, 2019