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December 04, 2008 .
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Gemstones catalogue

All gems are not created equal, and they're not sold that way either. Learn about physical and optical properties, color, clarity and folklore of gemstones.

Varieties guide

Amethyst Aquamarine
Chrome Diopside Chrysoprase
Citrine Cultured Pearl
Garnet Mozambique Garnet Rhodolite
Garnet Spessartite Jade
Lemon quartz Peridot
Ruby Sapphire
Star Sapphire Tourmaline
Zircon
 Buying Guide
Gemstones Buying Guide

 Articles and Columns
Articles and Columns

 Our Technology
Know-how of computerised machine-cut gemstones

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