The pendant is Sterling Silver,
The Pendant: 38 mm (inc. bale) x 20 mm approx. and is presented in a Black gift pouch.
Sterling Silver Celtic Spiral Moon pendant
Sterling silver is a metal containing at least 92.5% silver. This is the legal standard of purity set by the assay offices in Britain and used for most silver jewellery throughout the world. It means that the metal used is of a specific quality.