DescriptionMuonioanlusta Meteorite Three-Dimensional Cube
Muonionalusta - Iron fine octahedrite - (IVA)
Northern Sweden - (67° 48'N, 23° 6'E)
Near the Muonio River in northern Sweden north of the Arctic Circle, children discovered the first Muonionalusta Meteorite in 1906 while engaging in the favorite childhood pastime of kicking rocks. An unexpectedly dense rock was collected and soon determined to be extraterrestrial. Among the oldest Meteorites on Earth, Muonionalusta examples have been here for approximately one million years. The smooth, nondescript shapes of most specimens are the result of having been tumbled by glaciers for a significant amount of that time. The pristine interior of Muonionalustas are the result of the stability of the material as well as the specimens' preservation in the Arctic: one of Earth's two coldest places. When sliced and etched, Muonionalusta showcases its internal crystalline resplendence. Also known as a Widmanstätten pattern - an intergrowth of two iron-nickel minerals that form an unearthly metallic grid in shimmering shades of gray and silver. This pattern is diagnostic in the identification of a Meteorite. Muonionalusta is the first Iron Meteorite in which the mineral Stishovite, a rare polymorph of Quartz which formed as a result of a high velocity impact in interplanetary space was discovered. This irradiant cube exhibits an Iron Meteorite's shimmering crystalline fingerprint in three dimensions. Munionalusta's signature beads of Troilite are also in evidence. This specimen was cut from a larger Meteorite then fashioned into a cube to reveal the internal matrix of an Iron Meteorite-and this is one exceptional example.
Overall Measurements: 2.29 x 2.29 x 2.29 inches (7.36 x 7.36 x7.36 cm), weighs 7 lbs (3.17 kg.)
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[Scale: 1 inch, with mark at 1 cm]
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