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SCIENCES

5 transparent colorless synthetic berlinite crystals created by hydrothermal method

Synthesis 101: The Hydrothermal Method

Lauréline Colliard FGAJun 10, 202410 min read

Gemmology is the study of gems, precious and semi-precious minerals used mainly in jewelry. Among the fascinating subjects of this science, gem synthesis occupies a special place (I love it!). Gemstone synthesis enables the laboratory creation of gems with physical, chemical and optical properties similar to those of natural stones. One of the most widely used methods for gem synthesis is the hydrothermal method. This is where you’ll find the…

A superb piece of native gold and white quartz that resembles a branch of white moss at the bottom and all gold at the top. On display in the museum with sign

Gallery of Mineralogy 2024: My favorite pieces – Part 2!

Lauréline Colliard FGAMay 27, 20244 min read

And here’s part 2! If you haven’t seen Part 1 (and want to), here it is! A quick reminder: the gallery of mineralogy and geology OR the Galerie de Géologie et de Minéralogie at the Muséum national d’Histoire naturelle in…

Gallery of Mineralogy 2024: My favorite pieces – Part 1!

Gallery of Mineralogy 2024: My favorite pieces – Part 1!

Lauréline Colliard FGAMay 9, 20244 min read

I thought it would be fun to invite you into the corridors of the geology and mineralogy gallery at the Jardin des Plantes in Paris! Take a trip together from home! The Galerie de Géologie et de Minéralogie at the…

Oven with heat treatment

Gem 101: The Most Common Treatments

Lauréline Colliard FGAMay 6, 20246 min read

Gem treatments refer to any process or technique applied to a gemstone to alter its appearance, improve its color or clarity. These treatments have been used for centuries to enhance the beauty and market value of precious stones. As a…

Gem 101: Gem porosity

Gem 101: Gem porosity

Lauréline Colliard FGAFeb 26, 202415 min read

In this beginner’s guide, we’ll explore in depth what gem porosity really means, why it’s important and how it can influence the way we appreciate and care for these treasures of nature. Whether you’re a discerning collector or simply a…