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It has some fractures that have been glued and slightly filled
Anthracosuchus
Wonderful polished specimen of this Devonian rugose Coral (Hexagonaria)
The base and the tip could belong to different teeth
Infraorder: Platynota DumCril & Bibron
06277 - Well Crystallized Acicular Brochantite with Quartz from South Morocco Concavotectum It has some fractures thatBrochantite 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
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