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At this time
North America continued separating from the rest of Laurasia
The leading side (front) and sides often have flow-lines in the surface which indicates the direction the material was being ablated
The teeth have been added to the rostrum in order to depict the magnanimity of this animal
Pappocetus is also an ancestor of Basilosaurus
04990 - Well Crystallized Acicular Brochantite with Quartz from South Morocco Dinosaurs At this timeBrochantite is a sulfate mineral, one of a number of cupric sulfates. Its chemical formula is Cu4SO4(OH)6. Formed in arid climates or in rapidly oxidizing copper sulfide deposits. Crystals of brochantite can range from emerald green to black green to blue green, and can be acicular or prismatic. Brochantite is often associated with minerals such as malachite, azurite, and chrysocolla, and may form pseudomorphs with these minerals. Brochantite is a