CHAIN IS NOT INCLUDED Available in Solid 14K Yellow or White Gold, or Sterling Silver Size Reference: 17mm is the size of a US dime 19mm is the size of a US nickel 25mm is the size of a US quarter Saint Maria of Aguas Santas (Maria of Ourense) (119139 AD) is a Portuguese saint. She is a virgin martyr associated with the town of Aguas Santas, in the province of Ourense. The story of her life as it has been preserved is a mixture of fact and fiction. She is venerated as one of nine sisters, one of whom is Saint Liberata (Santa Librada).