Santo Antonio do Descoberto IJzer meteoriet - 150.2 g

Geätzte Scheibe des Brasilianischen Santo Antonio Di Descoberto Meteoriten - 150,2 g


Very rare meteorite

History: A mass weighing 52.15 kg was found by some farm workers while they were leveling the soil. The meteorite was buried about 60 cm below the surface.

Extreme Rare Etching

These are NOT CUTTING MARKS!

Only 50kg were found. Slices are rare and hard to get since Brazil revised its exports for meteorites.

Etched sections show a normal hexahedrite structure with some sets of Neumann lines and areas of bright and frosty kamacite. The rhabdite precipitates are small and very numerous on the frosty areas, but larger and idiomorphic on the bright sides. Also common are long plate-shaped rhabdites in directions probably related to the {221} planes of kamacite. Sulfides are common as irregular troilite, daubreelite and metal mosaic aggregates and nodules; in some places full shock melting has occurred, and troilite has dissolved partly into adjacent metal and invaded the kamacite matrix.

-Qualitativ hochwertige Scheibe

-Perfekt verarbeitet, heißt: genauestens geschnitten, geschliffen und poliert um das best mögliche Ergebnis in der Ätzung zu erreichen.

https://www.lpi.usra.edu/meteor/metbull.php?code=61158

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