Jewelry Vocabulary



Aventurine is a variety of quartz characterized by its translucency and sparkly metallic inclusions. Aventurine typically ranges from light to dark-green in color.  Aventurines color is caused by trace elements of fuchsite in otherwise colorless quartz.

Baltic Amber

A fossilized tree resin that comes in a variety of shapes and colors. It ranges in color from bright yellow to dark yellow or brownish-orange, depending on its age and where it is found.


Bronzite is a bronze-like sub-metallic luster variety of Enstatite. It is a distinct species of all minerals found on earth. The gemstone has lovely golden brown flecks that shimmer in light.

Celtic Triquetra

Three interlocked loops, creating the intersection of three circles. There is no beginning and no end to the knotwork. Sometimes a circle around the three loops is added. The circles often seen around the triquetra signifies the infinite and eternity. It also represents protection. Circles are often drawn around Celtic knots to represent spiritual unity with the devine - a connection that cannot be broken.


Chalcedony is a member of the quartz family with a cryptocrystalline structure. It occurs in a variety of colors including blue, lavender, white, buff, light tan, gray, yellow, pink, red or brown.


Citrine includes yellow to gold to orange-brown shades of transparent quartz.


A white, grey, blue, green, red, yellow, or brown mineral, found in metamorphosed shales and limestones, in veins, and in some igneous rocks. It is used as an abrasive and as a gemstone; the red variety is ruby, the blue is sapphire.

Cubic Zirconia (CZ)

An inexpensive, man-made stone that is generally cut to resemble diamonds. They can be colored to resemble other precious and semi-precious stones, and are a staple of high quality costume jewelry. 


Garnet is not a single mineral, but describes a group of several closely related minerals. Garnets come in a variety of colors and have many different varieties. However, the most widely-known color of garnet gemstones is dark red. 


A reddish-brown to silver-gray metallic mineral. It is the most abundant ore of iron, and it is usually slightly magnetic.


Lapis is a gemstone with deep blue and golden inclusions of pyrites which shimmer like little stars.


Larimar is a trademarked name for a rare blue, gem-quality variety of the mineral pectolite. Blue Larimar is found in only one location in the entire world - the Dominican Republic. It can vary in color from white to light-blue, and from medium sky to volcanic blue.


Magnesite has the same hardness and texture as turquoise and marble. It has a dull luster to it, sometimes looking like unglazed porcelain. Since magnesite is a porous mineral with a low luster, it readily takes a dye and can be found in many colors, including pink, orange, purple, green, and especially turquoise.


A piece of polished steel or a similar metal cut as a gem.


Refers to the shape of an ellipse, which is an elongated circle, stretched into an oval. 


Mineralite is a durable man-made material consisting of ground minerals.


Feldspar group of gemstones. They are remarkable for their chatoyancy or adularescence (Glow or inner light)


Onyx is a solid black Chalcedony, or a banded or layered black and white Chalcedony. In its solid black form, Onyx is the most traditional black gemstone. 

Oxidized Silver

Silver that has been exposed to oxygen in a pressurized environment for a long period of time that imitates the natural tarnishing process.


The gem variety of the mineral Olivine, it makes a lovely light green to olive-green gemstone. The intensity of color depends on the amount of iron present in a Peridot's chemical structure; the more iron it contains the deeper green it will be.

Its color varies from light green to yellow, but can also be colorless, blue, pink or white. It was the first mineral to be named after an individual, Colonel Hendrik von Prehn (1733-1785), a Dutch mineralogist and an early governor of the Cape of Good Hope Colony.

Roman Glass

Roman Glass is ancient glass discovered in archaeological excavation sites in Israel and other Mediterranean countries. The sources of the glass in a piece of Roman jewelery originally belonged to a vase, jug or vessel.


A precious stone consisting of corundum in color varieties varying from deep crimson or purple to pale rose.


Sodalite is a rich royal blue mineral widely used as an ornamental gemstone. The crystals are usually transparent to translucent.


A precious stone, typically colorless, yellow, or pale blue, consisting of a fluorine-containing aluminum silicate.