(Internal #X-262-680) This is a Campo del Cielo Meteorite fragment from Argentina, specimen weighs 329 grams (11.60 ounces). Meteorite strewn site (name means "On the Field of Heaven", a fitting name by the Indians, named for the meteorite fall) was first discovered by the Spanish in 1576 in the Gran Chaco Gualamba region of Argentina, about 500 miles N-NE of Buenos Aires. The area is an open brush-covered plain with little water and no other rocks.
The largest crater is 78x65 meters (meteorite measures 38 tons).. A total of 12 craters in the area were caused by the meteorites, which were intact in each of the craters. The fall is dated as between 3950 and 5800 years ago, consistent with oral Indian legends. These meteorites are a polycrystalline coarse octahedrite of austenite crystals that broke up upon entering the atmosphere.
Composition is: 6.68% Nickel, 0.43% Cobalt, 0.25% Phosphorus, 87 ppm Gallium, 407 ppm Germanium, 3.6 ppm Iridium (some of which are extremely rare on Earth), the majority element is iron. The item "(x262-680) 329 g Campo del Cielo iron meteorite 1576 Argentina fragment specimen" is in sale since Thursday, February 28, 2013.
This item is in the category "Collectibles\Rocks, Fossils & Minerals\Meteorites & Tektites". The seller is "whereonearth" and is located in Spartanburg, South Carolina.This item can be shipped worldwide.