#2542 Cristobalite in Obsidian Canyon Butte, Siskiyou Co. California USA 8cm $65 [23b] |
#1755 Fayalite in Cristobalite in Obsidian Coso Hot Springs, Inyo Co. California USA 6cm $45 [30] |
#1373 Rainbow Obsidian Jalisco Mexico 6x6x2.5cm $10 [44] |
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