How Do We Get It? – Cerium

December 13, 2025 · by sybrinapublishing

The Discovery and Extraction of Cerium: A Journey into the Periodic Table

Have you ever looked at the periodic table of elements and wondered where those elements come from? One intriguing element is cerium, which has the symbol “Ce” and the atomic number 58. Cerium is of particular interest because of its unique properties and various applications in everyday life, from making bright screens for electronic devices to improving catalysts in cars. But how do we actually obtain cerium? Let’s explore its discovery and extraction process in a way that’s easy to understand!

Cerium was discovered in 1803 by the Swedish chemist Jöns Jacob Berzelius and Swedish mineralogist Wilhelm Hisinger. The story begins in a small Swedish town when a new mineral called cerite was found. This mineral was not just any rock – it contained several unknown elements. Berzelius and Hisinger isolated the first traces of cerium from cerite, marking the beginning of our understanding of this fascinating element.

The name “cerium” comes from the dwarf planet Ceres, which was discovered around the same time cerium was identified. This connection reflects the growing interest in astronomy during that era, and scientists often named new elements after celestial bodies.

Cerium is the most abundant of the lanthanide series, which are found in rare earth minerals like monazite and bastnäsite. These minerals are typically sandy or gravel-like and are often sourced from areas in China, the United States, and parts of South America and Australia. Interestingly, cerium makes up about 0.0046% of the Earth’s crust, so while it’s not super common, it’s also not incredibly rare.

The extraction of cerium involves several steps that transform it from its natural state in rocks to a usable form. Here’s an overview of the process:

1. Mining: The first step is mining the rare earth minerals that contain cerium. When these minerals are extracted from the Earth, they are often mixed with other elements.

2. Crushing and Grinding: Once extracted, the minerals are crushed and ground into fine particles to increase the surface area for processing.

3. Chemical Processing: The ground material undergoes several chemical reactions. Acids, usually sulfuric or hydrochloric, are used to separate cerium from other elements. This step is crucial because cerium must be isolated to be used effectively.

4. Precipitation and Filtration: After treatment with acids, cerium is precipitated out of the solution. This means it forms solid particles that can be filtered from the liquid, leaving other unwanted materials behind.

5. Reduction: The final step involves reducing cerium salts to obtain pure cerium metal. This is typically done using a process called thermal reduction, which involves heating cerium oxide (CeO2) with metals like calcium or aluminum.

Now that we know how cerium is extracted, why is it important? Cerium is used in a variety of applications, such as in catalytic converters for vehicles, in making glass and ceramics, and even in the production of strong magnets. Its unique properties, like being oxidized and reduced easily, make cerium a versatile element in the modern world.

In conclusion, cerium is not just a random element on the periodic table. Its journey from discovery in a rare mineral to practical use shows the fascinating intersection of chemistry, mining, and technology. So next time you look at the periodic table, think about the stories and processes behind each element, especially cerium, which plays a significant role in your everyday life!

This article is brought to you by Sybrina Durant, the author of the middle grade picture book, Magical Elements of the Periodic Table Presented Alphabetically By The Elemental Wizards. Learn More. In that book Cerium is presented by the Wizard, Cerelia.

Inter-Active Elemental Fantasy-Themed Periodic Table from Magical Elements of the Periodic Table Presented Alphabetically by The Elemental Dragon Clan

Click here to use This Inter-Active Viewer To Learn More About The Elements Each Elemental Represents On This Periodic Table. Want this in a 24″ x 36″ Poster? Click here.