S-Hook Clasp - A double-ended clasp shaped like an "S." Available in a spectrum of sizes and styles; some clasps are sold with two rings. Pinching the arm of the "S" secures the clasp. Pulling the "S" open again releases the ring and opens the clasp.
Saltwater Pearl - (see also Cultured Saltwater Pearl) Pearls created by a pearl farmer, who inserts a tiny piece, or "seed," of mother-of-pearl into a saltwater pearl oyster. The pearl oyster will coat the seed with progressive layers of nacre, creating a pearl.
Screw Clasp - (see also Barrel Clasp and Torpedo Clasp) A low-profile clasp with a threaded closure, which is twisted or screwed to open and to close. Can include Bead Clasp styles.
Seed Bead - A uniformly shaped significantly small bead used for beading and jewelry-making. Seed beads are available in a myriad of colors, finishes and sizes.
Semiprecious Stones - Natural stones that generally have a lower value than precious stones, including amethyst, aventurine, carnelian, garnet, opal, rose quartz and others. Primarily used in fashion jewelry.
Silver Plate (SP) - A fine silver film deposited on a base metal by electrolysis, in the same kind of electrically-charged bath used to make gold electroplate. The film can be as thin as seven millionths of an inch. A silver plate item cannot be called sterling or bear a marking of "silver."
Silver-Filled - A mechanical bonding with a silver alloy of at least 92.5 percent fineness. The bonding must be equal to at least one-twentieth of the metal in the article. This can also be called silver overlay, but never silver plate.
Silver-Finished - Also called Silver Color or "washed." The base metal is brass or steel and the product is electroplated with a non-standardized thickness of silver.
Slide Lock Clasp - (see also Multi-Strand Clasp) A clasp consisting of a set of tubes, one of which slides inside the other and locks into place. The bar style of these multi-strand clasp holds almost an unlimited number of strands of chain, cord, beading wire or thread.
Snap Lock Clasp - (see also Fold-Over Clasp) A low-profile clasp which is less likely to tangle or snag on clothes or hair than other styles. This hinged clasp folds shut, closing securely and locking with a quiet "snap." With this secure closure, snap lock clasps are ideal for bracelets or anklets.
Spacer Bar - Jewelry finding used to hold multiple strands of beads in alignment and prevent tangling, are inserted at intervals while stringing the beads.
Split Ring - Double-wire ring findings, similar to those found on a keychain, used to connect jewelry-making components. Used when security and strength in a ring is paramount, as it is both stronger and bulkier than an equivalently sized jumpring.
Split Ring Pliers - A pair of pliers with a small hook on one tip, designed to open split rings just enough to slide them onto a finding. The split ring can then immediately close without distorting or warping the metal out of shape.
Springring Clasp - A popular spring-loaded clasp used with a jumpring or chain tab. It comes in a multitude of sizes, for single-strand to multi-strand designs.
Stabilized/Stabilization - As defined by the American Gem Trade Association (AGTA), stabilization is the use of a colorless bonding agent (commonly plastic) with a porous gemstone to give it durability and improve appearance. Turquoise is a commonly stabilized gemstone.
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