Gemstones and Art
A visit to the Tucson Fine Mineral Gallery uncovers impressive gemstone-related artwork.
An Exceptional Cat’s-Eye Emerald
A double cabochon cat’s-eye emerald conjures fond memories for an estate dealer in Tucson.
Two Pen Pearls from Bahrain
GIA’s Mumbai laboratory reports on two non-nacreous pen pearls from Bahrain.
Seventh Annual Gianmaria Buccellati Foundation Award Winner
A graduate of GIA’s Jewelry Design program in Taiwan is the recipient of the 2023 Gianmaria Buccellati Foundation Award.
Montana Sapphire at Obsessed Over Gems
Obsessed Over Gems offered an array of unheated Montana sapphires in a range of hues, cuts, and sizes at the AGTA show.
New Sapphire Material from Kashmir
A look at newly found Kashmir sapphire exhibited at the AGTA show.
Butterfly Brooch Showcasing East African Gems
A brooch adorned with 49 East African Gems was on display at the AGTA show.
Cummingtonite Needles Encased by Quartz in a Rhodonite
An observed inclusion association pattern may provide a new perspective on the origin of curved inclusions in rhodonite.
Challenges in Identifying Drilled Keshi Pearls
GIA’s Mumbai laboratory studies a lot consisting of 40 pearls to aid in distinguishing natural from non-bead cultured pearls.
Green Amber from Ethiopia
Rare green amber from the Amhara region of Ethiopia was available at the Pueblo Gem & Mineral Show.
Identification of Chromium-Bearing Red Gemstones Using Photoluminescence: A Red Musgravite Case Study
An investigation using PL spectroscopy to identify chromium-bearing red gemstones.
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