Jewellery Glossary T

A B C D E F G H I J K L M N O P Q R S T U-Z

Table

The table is a term used to describe the very top flat surface on a gemstone, its size can determine how well a stone will sparkle.

Table

Tahitian Pearls

Tahitian or black pearls are found inside the black lip oyster and take about 2 years to grow. Like 99% of the worlds pearls they are cultivated, that is a bead is inserted with a piece of black tissue from the oyster to start the process of growing the layers of nacre that form this wonderful organic gem.

Tahitian Pearls

Tanzanite

Tanzanite is a blue variety of the zoisite mineral and is a relatively new discovery being found in the 1980's in the only place that it is known to exist, Tanzania. The world famous Jewellery Company Tiffanys named and has promoted this gemstone since its discovery.

Tanzanite

Tarnish

Tarnish refers to the process of lost lustre due to exposure to air, humidity or other factors. Unlike rust, tarnish only affects the very top layers and will actually protect the under layers from further deterioration. High end silver items can be coated in platinum or rhodium so the tarnish process is significantly delayed.

 

Tear Drop Earrings

Tear drop earrings are a type of drop or dangle design where the main feature is shaped like a drop of water falling from the sky. They can be made out of any design but are usually a hollow plain silver or gold material.

Tear Drop Earrings

Tennis Bracelet

A tennis bracelet typically has an even row of gems, usually diamonds or cz's, attached to a number of links that go completely around to either end. It is a stunning item best worn on formal occasions and accompanied by an evening or designer dress.

Tennis Bracelet

Three Stone Ring

The three stone ring is often given as an engagement ring or an anniversary ring with each stone representing the past, present and future.

Three Stone Ring

Toggle Clasp

The toggle clasp features a round ring and a elongated bar, once the bar passes through the circle it then turns sideways and the weight of the bracket or necklace is applied to keep the clasp closed.

 

Toggle Clasp

Topaz

Topaz is a gemstone that has been around for several thousand years, is very hard at 8 on the Mohs scale and comes in many colours from clear, to pale blue to yellow and pink, because of these wide variance in colours it is often mistaken for other gems.

Topaz

Tourmaline

The tourmaline is a gemstone that contains in its composition various elements such as aluminium, iron, magnesium and sodium and therefore can come in many different colours ranging from black to shades of red, pink, blue, yellow or even lacking any color at all.

Tourmaline

Trigger Fastener

A trigger fastener has a small lever that can be pulled back to open a head so a ring can be inserted and then closed to form a secure closure, types of triggers include the parrot or lobster clasps.

 

Trigger Fastener

Trillion

A Trillian gem cut has a triangular shape with slightly curved sides making the overall shape more rounded and with the many facets it will sparkle very brightly.

Trillion

Turquoise

Turquoise is a precious mineral with an opaque blue green colour that in its finest form is quite rare and sort after. It has been used since Egyptian times and was named after the French word which literally means Turkish as they were the first people to bring it to Europe in great numbers in the 16th century.

Turquoise