21377 - Top Rare "Tissint" MARTIAN Shergottite Meteorite 0.083g Erythrite Wolfgang Stinnesbeck & José Guadalupe

Wolfgang Stinnesbeck & José Guadalupe López-Oliva (2007): Cranial anatomy of a Maastrichtian (Upper Cretaceous) mosasaur (Squamata

This is from the levels with Ampyx and Agerina

In the same matrix we can observe another emerging shark tooth tip

Most of the teeth rests are isolated

Northwest Africa 11667 (NWA 11667)

21377 - Top Rare "Tissint" MARTIAN Shergottite Meteorite 0.083g Erythrite Wolfgang Stinnesbeck & José GuadalupeBeautiful and authentic example of 0. 083g of this RARE type of MARTIAN Shergottite METEORITE. Guaranteed by IMCA (International Meteorite Collectors Association) member 2973 and Geologist Juan Avils Poblador Tissint Mars Rock has a very fresh shiny black fusion crust with a greyish interior color containing sporatic areas of black glass and pale yellow olivine macrocrysts. Our specimens are small fragments with and without fusion crust. Meteoritical