Are Shrimp Shells Made of Calcium Carbonate? The Complex Biological Composite
                                
                                
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                                    4 min read                                
                            
                                Shrimp shell waste, an environmental concern for the seafood industry, is a valuable biological resource with a complex chemical makeup. Many people assume these hard casings are simply mineral, but the answer to the question, "are shrimp shells made of calcium carbonate," reveals a fascinating composite of biomaterials.