Habit

This is the term used to describe the shape of crystallisation favoured by a mineral. For diamond it is the octahedron.

November 18, 2009  Tags: diamond, shape  Posted in: Glossary   No Comments

Fancy shapes

Any gemstone shape other than round, also called fancies.

November 10, 2009  Tags: fancies, shape  Posted in: Glossary   No Comments

Pear-shaped

A pearl that grows round on one end and tapers to a smaller top. Also a cut shape for gemstones.

November 5, 2009  Tags: gemstones., pearl, shape  Posted in: Glossary   No Comments

Oval

A cut shape for gemstones.

November 5, 2009  Tags: shape  Posted in: Glossary   No Comments

Marquise

An oval shape gemstone with the ends cut to points.

November 4, 2009  Tags: oval, shape  Posted in: Glossary   No Comments

Head

The part of a jewelry setting that holds a solitaire stone. The head shape is determined by the shape of the stone, and the head size range is dependent on the size of the stone it must hold.

November 4, 2009  Tags: shape, solitaire stone  Posted in: Glossary   No Comments

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