What are opal triplets?
Information About Opal Triplets Definitions of Types Of Silver The proportion of silver in these alloys is stated in terms of fineness, which means parts of silver per thousand of the alloy. Sterling is the American and British standard for silver. Sterling silver contains 92.5 percent of silver and 7.5 percent of another metal, usually copper; i.e., it has a fineness of 925. The sterling standard is 925 parts of silver to 75 parts copper in every 1000 parts sterling silver. Pieces manufactured in the United States are stamped Sterling or 925. British sterling pieces bear hallmarks, symbols and letters indicating maker place of origin, and year of manufacture, as well as the sterling mark, a standing lion (Lion Passant). While other marks vary, the sterling mark appears on all British sterling except for pieces manufactured in Scotland, which bear a thistle mark instead of the Lion Passant. (These thistle-marked pieces are exceedingly rare on the local market). Jewelry silver is an all
