ABSTRACT Freshwater mussel shell have a high calcium content in their shells, namely 61.39% and have the potential to be a source of hydroxyapatite. Hydroxyapatite is an inorganic mineral with the chemical formula Ca10(PO4)6(OH)2 which can be synthesized from calcium-rich components. Hydroxyapatite is composed of calcium and phosphate which is usually used as bone scaffolding such as bone impl…