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Figure 5 shows the EDS analyses and indicates that pyroxene is augte
New Zealand (1)
Maybe because it is easy grind and polished nevertheless it as hard as a stone
It displays strong pleochroism
1094 - Museum Grade Unique Spicomellus afer Oldest Ankylosaurian Dinosaur Dermal Spike - El Mers Fm Geological Samples Figure 5 shows the EDSScientific name: Spicomellus afer (Maidment et al., 2021) Ankylosaurian Dinosaur Dermal Spike Location: Boulemane, Atlas Mountains, Morocco Geological Formation: El Mers Fm = Guettioua Fm Age: Middle Jurassic, Bathonian Callovian, 167. 7164. 7 Ma Size: 11cm Ref: 1094 Spicomellus (meaning "collar of spikes") is an extinct genus of herbivorous ankylosaurian dinosaur that lived in the supercontinent Gondwana during the Middle Jurassic Period. The genus