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

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 Muséum national d’Histoire naturelle in Paris is an iconic venue for geology, mineralogy and paleontology enthusiasts. This gallery, located in the 5th arrondissement of Paris, is one of the richest in the world in its field.

It houses an impressive collection of minerals, rocks and fossils from the four corners of the globe. These specimens are carefully organized and presented to illustrate the history of the Earth, from its formation to the present day. Visitors can discover the different geological eras, the processes involved in mineral and rock formation, and the evolution of life on our planet through fossils.

Look how beautiful it is!

old building with large flowerbeds and well-tended paths. it's one of the buildings in the Jardin des Plantes galleries in Paris
Galeries du jardin des Plantes – Photo© by Lauréline Colliard

Plants everywhere!

On the other hand, the weather was very bad and I got caught in the rain…

large, well-tended alleys of grass and flowers at the jardin des plantes in paris
Galeries du jardin des Plantes – Photo© by Lauréline Colliard

Without further ado, here are my favorite pieces!

First of all, this superb specimen of tourmaline quartz, found right at the entrance. To give you an idea, this crystal weighs 470kg, or 2,350,000 carats…

close-up of tourmaline quartz showing its transparency and the black needles of tourmaline running through the stone
Tourmaline quartz – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

It’s not usually a mineral used in jewelry or studied in gemology, but this polymorphite is sublime!

a piece of stone with many fluorescent green crystals in all directions
Pyromorphite – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

This giant beryl crystal weighs 160kg or… 800,000 carats!

Giant beryl crystal – Video© by Lauréline Colliard, Jardin des Plantes mineralogy gallery

A beautiful calcite showing the decomposition of light!

Calcite crystal with a hexagonal shape fractured at the bottom and showing a white to pinkish-transparent color. The decomposition of light in stone is clearly visible
Calcite – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

This superb slice of rhodochrosite.

massive rhodochrosia slice showing several white roundels in the interior and dark pink to white bands following these roundels to the edge of the stone
Rhodochrosite slice – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

Beautiful bytrodial malachite in stalagmite format!

Intense green stalagmite-shaped piece of malachite
Malachite – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

Another superb rhodochrosite!

Block of pinkish-red rhodochrosite crystals showing ordered shapes made of straight lines and angles that show a crystalline structure. Its color is transparent to translucent and it is on a piece of rock.  on display at the museum
Rhodochrosite – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

A visual explanation of anyolite or ruby in zoïsite. The ruby slice is clearly visible on the left, followed by the same slice embedded in the zoïsite.

three crystals are presented. A red sliced ruby on the left, a piece of anyolite rock, also known as ruby in zoïsite. And a slice of this anyolite showing the green outline and bright red hexagonal center.
Ruby and anyolite (ruby in zoïsite) – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

This extremely rare red fluorite (with its smoky quartz on the back).

Large octahedron-shaped crystals of very rare red fluorite and a piece of interlocking brown smoky quartz.
Red fluorite and smoky quartz – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

These staged scenes explain the use of certain minerals in the creation of period paintings!

Opalized fossils!

pieces of beige rock with two belemnite fossils that look like two unicorn horns. These fossils are opalized and show a multitude of vivid iridescent colors.
Rosters of opalized belemnite – Photo© by Lauréline Colliard, galerie de minéralogie du jardin des plantes

The reconstruction of Louis XV’s Golden Fleece emblem. Unfortunately stolen in 1792 and lost forever. It’s a shame, because it had been named “most beautiful jewel in the world”. It has been proven that the blue diamond reconstituted here in blue zirconia actually became the Hope, now kept in the USA.

The founding jewel of French haute joaillerie. is the badge of Louis XV's golden fleece. It features several superb pearls, including a large blue diamond, a light blue diamond, a dragon-engraved spinel, and a gold and stone sheep. It was named the most beautiful jewel in the world, but was stolen in 1792. It's a reconstruction.
Louis XV’s Golden Fleece – Photo© by Lauréline Colliard, Jardin des Plantes mineralogy gallery

And that’s it for part 1! So, which one did you like best?

FGA Gemmologist, graduate of London's prestigious Gem-A Academy (and former lead 3D animator in the video game industry). Her focus is on research, the ethics of gemstones and their environmental and social impact, and the protection and education of gemstone buyers and enthusiasts.

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