DescriptionREAL STERLING SILVER & ONYX CUFFLINKS & DRESS STUDS SET CK00237DS. Measurements:- Cufflinks 17.2mm diameter x 2.4mm thick. Shirt studs 2.4mm diameter x 3mm thick.Onyx Cufflink Dress Stud Set Silver CK00237DS.Onyx refers to the parallel banded variety of the silicate mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colours of its bands range from black to almost every colour. Commonly, specimens of onyx contain bands of black and/or white.A shirt stud is a decorative fastener that fits onto a buttonhole on the front of a pleated shirt, or onto the starched bib of a stiff-front shirt. Such shirts have special buttonholes solely for shirt studs.A shirt stud may be fashioned from alloys, precious metals, and gemstones—materials uncommon to buttons sewn on shirts. The stud may have an inlay, such as of pearl or onyx. Dress code of the modern western world reserves shirt studs for men’s formal wear and some semi-formal
