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Calciocarbonatite in the Precambrian of Ontario, Canada.

Niobium Carbonatites: Petrology and Mineralization Processes

Diamond

How diamonds reach the surface

Gold

Tapping into the World’s largest gold reserves

An illustration of the nano channels Texas Engineers developed for rare earth element extraction

Rare earth element extraction bolstered by new research

Gold nugget found in the field. Credit: University of Adelaide

Unlocking the journey of gold through magmatic fluids

Amethyst-calcite geode from Los Catalanes already processed in the workshop and ready to sell. Photo: Fiorella Arduin Rode

Mystery of Uruguay’s amethyst geodes

Rose Quartz: The Pink Gemstone

Rose Quartz: The Pink Gemstone

Rhodium: The Most Expensive Metal

Rhodium: The Most Expensive Metal

A sapphire from sediment in the Kyll, a river in the western Eifel. The crystal measures approximately 0.9 mm in diameter. | © Sebastian Schmidt

A blue miracle: How sapphires formed in volcanoes

JPL / NASA

Laser tests reveal new insights into key mineral for super-Earths

Take a close look at these seabed minerals! Green copper minerals are seen here precipitated in a sectioned sulphide sample, retrieved from a scientific cruise conducted by the Norwegian Offshore Directorate across the Mohns Ridge in 2020. Credit: Øystein Leiknes Nag/Norwegian Offshore Directorate

Artificial geysers can compensate for our mineral shortages

Flower Agate

Exploring the Beauty and Mystery of Flower Agate

Representative image

Top 10 Rare Earth Minerals in 2023

Labradorite

Captivating Beauty: Exploring 6 Types of Iridescent Gemstones

Ca-silicate inclusion inside a diamond from Kankan, Guinea. Photo credit: Margo Regier.

Superdeep diamonds provide a window on supercontinent growth

Diamond

Ancient diamonds shine light on the evolution of Earth

Coloured diamonds from the Argyle diamond mine. Image: Murray Rayner, Rio Tinto

Crucial third clue to finding new diamond deposits

Tiny mineral inclusions picture for the first time oxygen accumulated in the atmosphere and changed the composition of the mantle. Credit: Hugo Moreira / Nature Geoscience

New research reveals Earth’s ancient ‘breath’

Spectacular rainbow obsidian blade

The World’s Rarest and Most Expensive Types of Obsidian

Rare Gems and Minerals in New Mexico

+30 Rare Gems and Minerals in New Mexico

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