XL Muonionalusta Meteorite – Large Iron Meteorite Slice from Sweden | 34.5 g

An extraordinary piece from outer space!

This beautiful Muonionalusta meteorite slice comes from northern Sweden and is impressive due to its widely visible Widmanstätten patterns.

With dimensions of 76 × 70 mm and a weight of 34.5 grams, it has a particularly large display surface. The polished and etched surface reveals a fascinating geometric pattern of numerous silvery, shimmering metal bands that intersect at different angles.

Depending on the incidence of light, the fine crystal structures stand out to varying degrees and give this collector's item an exceptional look.

Origin & Properties

- Name: Muonionalusta
- Type: Iron meteorite
- Classification: IVA, fine octahedrite
- Location: Norrbotten, Sweden
- First discovery: 1906
- Weight: 34.5 g
- Dimensions: approx. 76 × 70 mm
- Composition: Predominantly iron and nickel
- Processing: Cut, polished, and etched
- Special feature: Distinct Widmanstätten patterns

A meteorite with millions of years of history

The Muonionalusta meteorite originates from the early days of our solar system. Its metallic material formed approximately 4.5 billion years ago inside an early celestial body.

After a long journey through space, its fragments reached Earth hundreds of thousands of years ago, landing in what is now northern Sweden.

The first fragment was discovered in 1906. Further pieces were found in the following decades.

The discovery date of 1906 refers to the first documented finding of the meteorite and not necessarily the discovery year of this individual slice.

What are Widmanstätten patterns?

The striking geometric pattern on the surface is one of the most fascinating features of iron meteorites.

It was formed by the extremely slow cooling of an iron-nickel alloy inside the original parent body.

Over millions of years, different metallic crystal phases formed, in particular kamacite and taenite.

These hidden structures become visible through grinding and subsequent etching.

The numerous lines and metal bands are therefore not artificial engravings, but natural crystal structures that formed long before the impact on Earth.

Every meteorite slice has an individual pattern.

A special collector's item

You will receive the exact Muonionalusta meteorite slice pictured, weighing 34.5 grams.

The generous surface area and the distinct crystal pattern make this piece a special eye-catcher in any meteorite and mineral collection.

The origin information corresponds to the existing original label.

Care instructions: Iron meteorites should be stored dry and protected from moisture to prevent corrosion. Small brownish oxidation spots can occur on natural iron meteorites.