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kgb answers Â» Local & Lookup Â» Definitions & Word Origins Â» What does it mean when a coin says its .999 fine silver enriched? The .999 Fine Silver Enriched means that this is not pure silver, but has a heavy silver content. The purity rate for silver bars and rounds is much the same, but they come in 3 typical forms other than jewelry or forks and spoons. Bars and rounds at .999 fine is a higher grade of purity than collectible silver coins, which are typically 90% fine or .900, or sterling silver, which is 92.5% fine or .925.
Enrich may mean: 1  Education. 2  The process of adding nutrients to cereals or grain: see food fortification. 3  The process of adding sugar to grape must during winemaking in order to achieve a higher alcohol content of the wine, more commonly referred to as chaptalization. Behavioral enrichment, the practice of providing animals under managed care with stimuli such as natural and artificial objects.