Jade and Marcasite Owl Pendant Necklace with Black Onyx in Sterling Silver. 18"

STERLING SILVER: Also known as "Standard Silver," sterling silver is silver alloyed with other metals to increase the hardness and durability. Generally, sterling is 92.5% silver and 7.5% other metals. Some sterling silver jewelry is plated with 14kt-18kt gold and referred to as "vermeil," or "gold over sterling."

CURB: A chain of special curved links that interlock even while laid flat. The links can all be the same size or be graduated towards the center.

SPRINGRING CLASP: Invented in the early 1900s this diminutive device is highly effective. It's a hollow circular metal fastener with a spring opening. This keeps the clasp closed.

JADE: Available in many nuances of green, plus black, red, brown and white, jade has been treasured for its beauty and strength since prehistoric times. Prized above all other gemstones in ancient China, jade jewelry continues to captivate with a Far East mystique.

PEAR: Similar to the outline of a pear fruit, this is a round shape that comes to a point on one side.

CABOCHON: A style of cutting gemstones to achieve a smooth, domed surface with an absence of facets.

ONYX: A favorite of the ancient Greeks and Romans, this gemstone adds a sophisticated shine to rings, necklaces, bracelets and earrings. A dyed form of chalcedony, onyx is most popularly found in black although it can be green, white or red, as well.

MARCASITE: Made popular during the Victorian Era, marcasite (also known as iron pyrite) shimmers with a metallic luster and diamond-like sparkle. Often used in Art Deco and Art Nouveau designs, marcasite lends jewelry a vintage vibe.