Nacre, often known as the iridescent lining of sure mollusk shells, consists primarily of aragonite, a type of calcium carbonate, organized in a brick-like construction. This distinctive association, mixed with a conchiolin protein matrix, creates its attribute lustrous sheen and sturdiness. Examples of its pure prevalence embrace the interiors of pearl oysters and abalone shells.
The mixture of energy and sweetness has made this materials prized for hundreds of years in jewellery, ornamental arts, and even musical devices. Its resilience, coupled with its visually interesting iridescence, makes it a sought-after materials throughout varied cultures and time intervals. This historic significance underscores its inherent worth and enduring attraction.