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…
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