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GIA's Gübelin Gem Project: Various Gems, Olivine - Rutile

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

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Article
Rose Quartz Description

Rose quartz is one of the many quartz varieties used as a gem material. It gets its name from its delicate pink colour, which ranges from very light (almost white) to medium-dark.

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Rose Quartz History and Lore

Rose quartz jewellery was known to be crafted by the Assyrians around 800-600 BC. The Assyrians, along with the Romans, might have been the first to use this stone.

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Rose Quartz Quality Factors

Learn about the factors that make rose quartz so desirable.

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An Interesting Rose Quartz from Madagascar

A new find of rose quartz from Madagascar contained some unusual inclusions.

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Bismuthinite inclusions in rose quartz from Madagascar

Inclusions visible to the naked eye are common in almost all varieties of quartz apart from rose quartz.

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Synthetic quartz crystal with inclusion suite of almandine and pyrope.
Synthetic Quartz: A Designer Inclusion Specimen

A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.

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2016 GJX show at Tucson
Tucson 2016

An overview of the 2016 gem shows.

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Wanlaya Suwannapirom with painted pendant.
Gem Paintings from Thailand

Paintings created from uncut gem fragments are seen at Tucson’s GJX show.

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Petrified wood carvings and cabochons.
Thai-Myanmar Petrified Woods

The properties of petrified woods originating from various localities in Thailand and Myanmar are examined.

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