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From Spuds to Sparkle: Idaho has Almandine Garnets

An interesting new commercial chapter for a distinctly American gemstone.

Gem Note: Characterisation of Almandine from Idaho, USA, Journal of Gemmology 2026, Vol 40 (3): 219-221

Author: Charles Evans FGA DGA

Danburite is hardly an everyday gemstone, but this particular example managed to make an uncommon gem somewhat more unusual.

Gem Note: Chatoyant Danburite from Sri Lanka, Journal of Gemmology 2026, Vol 40 (2): 116-117

Author: Charles Evans FGA DGA

When I was approached to write an article for The Jewelers Collective, I asked myself, what do we not talk about enough in our industry?

Article: Melee: Small Stones Big Impact,The Jewelers Collective, Holiday Issue 2026: p. 55

Author: Charles Evans FGA DGA

The briefest exposure to a UV lamp immediately altered the colour of this synthetic sapphire.

Gem Note: Ni-bearing Synthetic Sapphires Showing Irreversible Photochromism, Journal of Gemmology 2025, Vol 39 (7): 629-631

Authors: Sean O’Neal, Charles Evans FGA DGA, Guy Borenstein FGA

No-one had ever looked at faceted phenakite from the type locality before.

Gem Note: Phenakite from Volodarsk-Volynski, Ukraine, Journal of Gemmology 2024, Vol 39 (3): 209-210

Author: Charles Evans FGA DGA

An amazing collection of entertaining and educational videos where gemstones are front and centre.

Videos published on Gemstones.com YouTube Channel

There is “rare” and then there are “one-offs”. This Aeschynite was a true “one-off”.

Gem Note: Faceted Aeschynite-(Y) from Afghanistan, Journal of Gemmology 2024, Vol 39 (1): 6-7

Author: Charles Evans FGA DGA

Contributing to a great resource for gemmological education.

Read all 8 educational articles as feautred on gemstones.com

Author: Charles Evans FGA DGA

We had some great laughs, some incredible products and yes, I cringe when I watch it.

Appeared on JTV’s Rockafellas as the gemstone expert. The segments were recorded for Jewelry Television and also shared on social media.

We all have them in our tool kit, but do we use them the way we should?

Article written for Gemworld International 2022. Category: Gem Testing

Author: Charles Evans FGA DGA