Large Massive 10-330 Grams Rare Authentic Real Meteorite, Campo Del Cielo Meteorite with Treasure Chest Gift Box, Introduction Card & Certificate of Authenticity, from Argentina

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About Large Massive 10-330 Grams Rare Authentic Real

Information ✦Location: Campo del Cielo, Gran Chaco Gualamba, Argentina, about 500 miles north-northwest of Buenos Aries. Latitude 27 degrees 39 minutes South, Longitude 61 degrees 44 minutes West. ✦Structural Details: Coarse octahedrite, Og, Widmanstatten bandwidth 3.0 ±0.6 mm. ✦Chemical Details: Group I, 6.68% Ni, 0.43% Co, 0.25% P, 87 ppm Ga, 407 ppm Ge, 3.6 ppm Ir. ✦ Age: 4,000 to 6,000 years ago. Earliest History ✦The first record of the Campo was in 1576. A Spanish governor learned of the iron from the Indians who reportedly believed that it had fallen from heaven. The governor sent an expedition under the command of one Captain de Miraval who brought back a few pieces of a huge iron mass he called Meson de Fierro (large table of iron). The Important Minerals ✦Kamacite--this iron nickel alloy makes about 90 percent of specimens in finger size and width crystals. Neumann bands are common. ✦Taenite and plessite, the other iron-nickel alloy constituents are found at grain boundaries. ✦Schreibersite is uncommon. ✦Troilite is found aggregates with graphite and silicates.