Château-Renard meteorite

Historical meteorite

The Château-Renard meteorite is an L6 chondrite that fell on June 12, 1841, in the vicinity of Triguères, near Château-Renard and Montargis, Loiret, France. Eyewitnesses saw a bright fireball moving from southwest to northeast that afternoon, while a powerful explosion was audible in the area. Eventually, several stones were recovered. Two boys saw pieces coming down at some distance. The impacts left round holes of about 30 centimeters in diameter, making it a remarkably well-documented fall for that time. A nice detail is that one of the recovered stones weighed about 15 kilograms, while another specimen broke into much smaller pieces upon impact. Château-Renard is therefore a fine classic French historically observed meteorite with a strongly documented story.

What is a meteorite?

A meteorite begins as a meteoroid: a small piece of rock or metal moving through space. As soon as such an object enters the Earth's atmosphere, compression and heating of the air create a bright light phenomenon that we call a meteor or fireball. Only the part that survives this passage and actually reaches the ground is called a meteorite. During flight, a dark, thin molten crust often forms on the outside. Many meteorites break apart into multiple pieces along the way, creating a so-called strewn field. The speed upon entry is often many kilometers per second higher than the final speed upon impact at the Earth's surface, because the atmosphere strongly slows the object down.

Classification and origin

Meteorites are classified based on their composition and internal structure. Most discovered meteorites are chondrites: stony meteorites with small spherical inclusions, known as chondrules, which belong to the oldest solid material from the early solar system. In addition, there are achondrites, which lack these chondrules and originate from celestial bodies where geological processes such as melting and crystallization have already taken place. Examples of these are eucrites from the HED group, which are associated with the asteroid Vesta. The letters and numbers in classifications such as H6, L5-6, or LL4 provide information about, among other things, the iron content and the degree of thermal change in the parent material. As a result, a classification reveals something not only about the type of meteorite but also about its geological history.

Box dimensions

This meteorite comes in a transparent acrylic display box measuring 8.3 x 5.8 cm.