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Twannberg Meteorite 936.5 grams. Iron, IIG

Our Meteorite of the Month is kindly provided by Tucson Meteorites who hosts
The Meteorite Picture of the Day.

Copyright Photo by Andreas Koppelt.

Andreas writes:

Twannberg Mass #TW611

The Twannberg meteorite is chemically a rare IIG iron and structurally a hexahedrite. Ongoing scientific research shows that the Twannberg meteorite fell 200,000 years ago (+/- 20,000 years). In the absence of a widmannstätten pattern, oxidation is rather moderate and shale is mostly present only on the surface of the pieces; some pieces even showed delicate flowlines and original fusion crust.

About the Author

Paul is the webmaster for all of The Meteorite Exchange's websites including Meteorite Times Magazine. His fascination with all things space related began as a young boy during the Space Race. His free time is divided between meteorites, astrophotography, webmaster, and the daily operations of the eCommerce website www.meteorites-for-sale.com.