Semi-transparent

One step down from transparent in judging the amount of light that passes through “transparent” gemstones

November 12, 2009  Tags: ,  Posted in: Glossary   No Comments

Semi-translucent

One step up from opaque in judging the amount of light that passes through “transparent” gemstones.

November 12, 2009  Tags: ,  Posted in: Glossary   No Comments

Opaque

A descriptive term for gemstones that are so clouded by flaws that they cannot be considered at all transparent.

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

Mixed cut

Used more for transparent colored stones than diamonds, the mixed cut simply means that the stone has both step and brilliant cut facets.

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