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GIA Gem Project
Various Gems
(Danburite – Humite)

Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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Moonstone
Article
Moonstone Description

To be called moonstone, a mineral’s actual identity is not as important as the beauty of its adularescence.

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Moonstone
Article
Moonstone Care and Cleaning Guide

Learn about moonstone's durability and how to care for your moonstone jewelry.

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