14 karat (14K) gold is 14 parts of gold to 10 parts
A type of chalcedony quartz found in a variety
of colors and patterns, frequently with varying
A stone which changes color or appears
to change color as the source of light changes.
A mixture of two or more metals.
Fossilized resin of conifer trees. Colors
range from honey through yellow to reddish brown.
Transparent variety of crystallized quartz,
typically purple or violet in color.
Process by which something takes on the
look associated with age. Usually a darkened or
An ornamental piece which is created separately
and then applied to a piece of jewelry.
A blue semiprecious stone in the beryl
Translucent greenish quartz mineral, internally
granular. Often mistaken for jade, another stone
of a green color.
Small stones which are rectangularly-shaped
and faceted. Often used as an accent to another
A metal finding that is folded closed,
from which a pendant, watch, stone, etc., may
be hung from a chain or cord.
A ring which is the same in width all around.
A stiff bracelet that slips over the hand
or is hinged.
A fancy setting with numerous side piercing
to provide a lacy or basket-looking appearance.
A stone cut in the shape of a small sphere.
A lightly colored mineral which when transparent
and dark green is called emerald. When blue in
color, it's called aquamarine.
A form of any shape which incorporates
a continuous groove to fit something, generally
a stone. The metal at the top of the groove is
then burnished over the edge of the mounted item
to hold it, forming a setting.
A variety of chalcedony that is usually
greenish in color with red spots resembling blood.
A type of chain where links are wide and square
so they form boxes.
A round cut of 58 facets mathematically
devised to produce the greatest brilliance.
A flat, usually round earring which sits on the
earlobe and has no dangling parts.
A domed gemstone. Highly polished curved surface
A carved gem or shell in which the outer layers
are cut away so that the design stands out in
relief against a background of a different color.
Unit of weight for gemstones with 100 points to
a carat, where one carat equals to one-fifth of
Pale red quartz. Once believed to benefit the
wearer's health and love life. Most carnelian
comes from Brazil, India, Siberia, and Germany.
A series of connected loops, links, rings, or
beads used to create bracelets or necklaces.
Refers to various types of colored quartz, usually
those with a milky appearance like carnelian,
agate, cat's eye, and jasper.
Grooved metal built into a jewelry setting for
holding stones. Also a number of uniformly sized
small stones set in a row.
A decorative pendant or trinket to be worn on
a bracelet, earrings or necklace.
A link bracelet which charms can be attached
A motif consisting of short lines joining at angles
to form an inverted "V."
A variety of chalcedony which is apple-green in
A brownish-orange quartz variety.
Any type of attachment that connects the two ends
of a piece of jewelry.
For non-pierced ears. Works like a hinge to secure
the earring to the earlobe.
A setting in which stones are grouped together.
A ring with a setting in which stones are grouped
An earring back which slides onto and secures
post back earrings.
A large, oversized ring set with precious or semiprecious
A rubber or plastic pad that goes over the clip
of a clip earring to cushion the earlobe.
Hollow and curved, like the inside of a hollow
Curving outward, like the surface of a ball.
The skeletal remains of marine animals, and has
a range in color from red, pink, and salmon.
A gem mineral of crystallized aluminum and oxygen.
Ruby and sapphire are the most valuable corundum.
Created through a painstaking process of mimicking
the natural pearl process in live mollusks. A
pearl is formed as a result of implanting a piece
of mantle from a mollusk into another host mollusk.
The links are oval and twisted so they lie flat.
A square cut with rounded corners.
see DROP EARRING
Derived from the style of Art Deco, which originated
in France in the 1920's and 1930's, and is typified
by abstract designs and linear, geometric patterns.
A precious gemstone composed of pure carbon. Hardest
of all known substances. Rated 10 on the Mohs
A portion of the chain is cut away at an angle
and then polished to a high shine. see also ROPE
A mineral which ranges in color from white, deep
green, to almost black.
A flat, usually round earring which sits on the
earlobe and has no dangling parts.
Door knocker earring
An earring with a hinged bottom that hangs below
A small ornament suspended from a piece of jewelry.
Any earring which hangs below the earlobe. Also
called a dangle earring.
A disk or bead that fits over an earring post
and holds it securely in place.
An earring accessory designed to be worn
with a stud as a decorative backdrop.
A green beryl and one of the most valuable of
A cut which is usually rectangular, but sometimes
square, with rows of step cuts along the edges
and at the corners.
A mineral which occurs in colors of green and
A resin used in strong glues and enamels.
A curved wire which passes through the earlobe
of a pierced ear and clasps shut.
A chain which may be attached to another in order
to provide a longer length.
A polished surface; a small plane which is cut
into a surface and enhances its reflection of
Refers to gems which are cut other than in the
round brilliant shape such as single cut marquise,
emerald, pear, heart, oval, square, baguette,
triangle, etc. Also called fancy shape.
Similar in style to a curb chain, but instead
of uniform links, the links alternate between
long ones and round ones.
Figure eight safety catch
A type of safety catch in which a hinged wire
in the shape of a figure eight snaps over the
Lace-like ornamental work made from intricately
arranged, intertwined wire.
The way the surface of a piece is polished or
Variety of opal which is yellow, orange, or red
A fishhook-shaped finding used to make earrings
with the hook end passing through the pierced
The royal insignia of France. It's often used
in ornamentation and has a design resembling a
flower such as a lily or iris.
A surface ornamented by channels or grooves.
A type of clasp in which a hinged part opens,
fits through a ring and snaps closed to hold the
ring in place.
A curved wire which passes through the pierced
earlobe and has a catch closure. Used mostly in
An irregularly shaped pearl formed naturally by
a mussel living in a lake or river.
see BRILLIANT CUT
A strip of metal used to make settings for jewelry.
A family of crystals whose name is derived from
their resemblance to red pomegranate seeds. A
semi-precious stone, usually a reddish-brown color;
can range from true red to violet- or blackish
red. Often semi-opaque.
A stone which has been cut and polished for use
in jewelry and fulfills the requirements of beauty,
durability, and rarity. A fine stone of unusual
quality. Precious or semi-precious stones.
A heavy, yellow, metallic element used for coins
and jewelry since prehistoric times.
Jewelry done in a gold color.
Jewelry done in a finish so that it has the look
Earring which appears to be hoop shaped but is
not fully circular.
A variety of garnet which is yellow in color.
Hidden box clasp
Two short barrels which are screwed together to
form a clasp.
A surface which is polished to a mirror-like finish.
A circular-shaped earring made from metal wire
or tubing. Variations include the traditional
shape as well as hoops with charms and other ornaments
to be hung from the hoop.
A decorative element, such as a stone, which is
imbedded into another surface so it is flush (or
level) with it.
A mineral used as a gemstone and appears as deep
blue, light blue-gray, and yellow-white.
An interplay of various colors.
An ornamental gemstone, typically greenish in
A variety of jade which is rarer than the other
varieties of nephrite. It is hard and translucent
and comes in many colors such as orange, pink,
yellow, brown, blue, violet, and black.
A semi-opaque to opaque rose quartz. Usually yellowish,
reddish, or brown. The U.S. and Brazil are the
most common sources. Jasper was once believed
to have curative powers.
A measure, from 1 to 24, used to indicate how
much of a piece of jewelry is gold content and
how much an alloy.
A semi-precious stone azure blue in color.
An earring with a unique back that delicately
bends and connects behind the ear. This is an
old-fashioned design that has come back in style.
Series of loops which make up a chain.
Produced by drawing small ribbons of sterling
silver through a draw plate that forms a thin,
silver tube. These tubes are carefully cut &
hand strung together. Liquid silver is an example
of the Native American jewelry making technique
Lobster claw clasp
A clasp used for necklaces and bracelets which
features an elongated hook (like a lobster claw).
It contains a spring mechanism and can be opened
to catch the ring from the other end of the chain.
A Japanese term for half-sphere pearls, which
are cultured against the shell so that only half
a pearl is formed.
A mineral which is characterized in appearance
by bands of light and dark green.
Crystallized iron pyrites ("fool's gold")
mounted in groups, cut or uncut, in pins and other
pieces of jewelry. Marcasite is a gray, lustrous
An oval shape gemstone cut with pointed ends.
It's named for the Marquise de Pompadour, Mistress
of King Louis XV.
A frosted, non-shiny surface or finish.
A look which is knurled, or has the look of small
beads or ridges, such as the edge of a coin.
A variety of beryl that is pink. Named after J.P.
Morgan. Found in California, Brazil, and Madagascar.
Hard, iridescent substance that forms on the inside
layer of a pearl-bearing mollusk.
A shiny, iridescent substance made from the lining
of mollusk shells or fish scales.
A hard type of jade with colors ranging from white
to dark green and shades of grey or brown to black.
A lump or irregularly shaped mass.
A semi-precious stone composed of chalcedony (a
variety of quartz) found naturally in white or
gray. The white variety is generally dyed black
A non-crystalline, iridescent silica.
Something which is not transparent and does not
reflect light; dull
Metal blackened by a reaction with oxygen. The
appearance is accomplished by chemical means.
A setting in which small stones are set as close
as possible, so that the piece literally looks
"paved" with stones.
An ornament suspended from a single chain.
A transparent gem which is olive green in color.
Designed for wear in ears which are pierced. A
wire or post is inserted through the ear lobe.
Unit of weight for gemstones equal to one-hundredth
of a carat.
Process used to make metal smooth and glossy.
Increases shine and eliminates flaws.
A pin-like finding attached to an earring. It
passes through the pierced earlobe, and may be
held in place by a back.
Rare and costly gems such as diamonds,
emeralds, rubies, and sapphires.
A modification of a brilliant square-cut gemstone.
One of several claw-like wires used to hold a
gem or stone in place.
A crystalline mineral used for gems, usually colorless
A type of faceting.
Real rhinestones are cut from rock crystal. Today,
most rhinestones that are used in jewelry are
made of glass which has the look of natural stone.
A white, metallic element.
A variety of pyrope garnet ranging in color from
rose-red to pale violet.
Named after the Greek word for pink. A reddish-pink
color with thin veins or patches of gray to black.
Found in the former Soviet Union, the U.S., India,
A textured effect consisting of ridges.
A piece of jewelry which is worn on the fingers
and slides on and off.
A ring worn above another ring to keep it from
slipping off the finger.
A mineral; see also QUARTZ
Chain with a spiral appearance, giving the effect
of two thick strands woven together.
An alloy of gold and copper.
Delicate pink quartz with a somewhat milky appearance.
Popular for Valentine's Day, Mother's Day, and
other gift occasions.
A highly precious and valued red corundum whose
color is obtained from chromium oxide. Rubies
symbolize beauty, charity, love, passion, power,
A variety of quartz with inclusions of
rutile crystals, which are minerals that sometimes
appear in a needle-like fashion in a reddish-brown
to red and sometimes yellowish appearance.
Added to a closure to prevent the opening of a
A highly valued precious stone and a member of
the corundum group. Most commonly seen in blue.
A matte finish achieved by sandblasting, brushing
with a stiff wire brush, or chemically altering
a high shine surface. Satin finish has a soft,
pearl-like luster instead of a bright polish.
An ornamental edge that consists of a series of
A gemstone cut in the shape of a beetle and copied
from the ancient Egyptian fertility symbol.
Natural stones including amethyst, aventurine,
carnelian, garnet, opal, rose quartz,etc. Some
semi-precious stones are quite costly (up to thousands
of dollars). They are used in fine jewelry as
well as fashion jewelry.
Part of the ring that circles the finger and to
which the setting is attached.
The part of the ring that extends from the shank
to the center of the setting.
A fine silver film deposited on a base metal through
electroplating. Base metal may be nickel, silver,
copper, or brass.
Glass beads coated in the ground-up iridescent
nacre from fish scales.
Brownish colored quartz with a smoky appearance.
A mineral which is a component of lapis and generally
translucent, usually blue in color.
A gemstone found in a wide range of colors, the
most valuable resembling ruby red.
Spring ring clasp
A rounded, hollow, circular wire which fits into
a hollow, circular tube and is kept shut by a
coiled spring on the inside.
A style in which the stone is square and bordered
by four long narrow facets that are step cut.
Similar to emerald cut.
The setting is square shaped with four
prongs forming the corners.
Rings which are designed to wear two or more on
the same finger.
A gem cut with a varying number of sloping parallel
rows of four-sided facets which give the impression
Silver that is at least 92.5 percent pure
with 7.5 parts of another metal, usually copper,
to make the piece harder.
A straight pin worn vertically on a scarf, tie,
or a lapel. Has some kind of ornamentation on
A technique in which the design is formed by a
series of pricks made with a steel punch.
A single stone or metal ball on a straight post
worn on pierced ears.
A flexible bracelet made up of evenly matched
stones, commonly diamonds. There are variations
on the style, such as alternating stones.
A short pin with an ornamental top or face that
goes through the tie, pinning it to the shirt.
The name given to a gem which when cabochon cut
shows a single light streak across its face. A
semi-precious variety of quartz found in South
Africa, it may be yellowish-brown , bluish, or
red in color.
A fastener consisting of a ring on one end of
a necklace or bracelet and a short bar on the
other end. The bar is slid through the ring and
sits across it so it does not slide or pull.
A transparent gem, the most precious type is wine-yellow
in color. It also may be found in other colors,
such as white, blue, brown, orange, and pink.
A crystalline mineral which is used as a gemstone.
It typically comes in a variety of colors, the
most common of which is black.
Allowing light to pass through, but not transparent.
Easily seen through; light rays are transmitted.
A modified brilliant cut stone.
A modified brilliant cut triangular stone with
A transparent, emerald green variety of garnet.
Semi-precious stone which is greenish-blue in
An alloy of gold, nickel, copper, and zinc.
This style gets its name from its shape which
features its own delicate dangle forming a Y-shape
around the neck. Usually 16 to 18 inches in length.
The most popular gold alloy. An alloy of gold,
silver, copper, and often zinc.