ARG 84. Museum specimen. Patagonia, Rio Negro, Argentina. Cretaceous cycadeoid armor section. This is a slice that is specimen round but for a smoothened five centimeter edge. Diamond patterns are frond bases. Excellent cell preservation. With a good loupe or microscope, you can get lost in a jungle of hundred million year old plant cells. Beautiful, glassy lapidary material. No filler/No glue. 25 cm long by about 10 cm wide; 7 mm thick; 12 ounces. $150
FJD ARG 32. Museum specimen. Patagonia, Argentina. Cerro Cuadrado, Jurassic unidentified. Rare full round skinny stick section. Complete branch section, as found on the exterior and cut and polished on one end. Salmon-pink-ish patina. Mysterious cells and whatnot revealed on polished face. Probable fungi. No filler – No glue. 15 by 25 mirror-polished face; 8 cm long; two ounces. $80