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Vanadium and Chromium-Bearing Pink Pyrope Garnet: Characterisation and Quantitative Colorimetric Analysis

This type of pink pyrope garnet, believed to have been mined in Tanzania, shows a distinct colour-change phenomenon resulting from its unique chemical composition.

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Three pieces of labradorite with yellow, blue and green flashes of color.
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Optical Effects of Phenomenal Cabochons

Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.

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The symbol of medicine, the caduceus (wings on each side of the top of a staff with two snakes intertwined around it) stabbing thru the coronavirus. A garnet sits at the top of the staff.
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Jeweller Creates ‘Medal of Honour’ Brooch to Recognise Coronavirus Healthcare Fighters

GIA graduate Franco Valobra creates a commemorative brooch to recognise healthcare workers on the front line of the coronavirus battle for survival.

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Emerald and diamond brooch.
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Jewels of Hollywood: Accessories and Jewellery that Made the Stars Shine

“Jewels of Hollywood”, on loan from the Kazanjian Foundation, showcases some of the jewellery and accessories associated with Hollywood royalty.

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Multi-colored gems are superimposed on an image of glacier peaks.
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Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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A round, bright red gem displayed on a dark gray background.
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The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

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The gems spell out “The 2000th Gem Stone Design.”
Article
Gemstone ‘Paintings’ Tell Story of a Master Craftsman, Gem and Jewellery Mentor

A jeweller who quietly built up a circle of inspiration and influence lives on in generations of GIA-educated jewellers and gemmologists.

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Jewellery that Speaks the Language of Flowers

A flower is one of nature’s most delicate delights, so it’s natural that jewellery designers have long found inspiration in them, seeking to capture their fleeting beauty in jewellery.

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