Fine octahedrite
Octahedrites are the most common structural class of iron meteorites. The structures occur because the meteoric iron has a certain nickel concentration that leads to the exsolution of kamacite out of taenite while cooling. See more Octahedrites derive their name from the crystal structure paralleling an octahedron. Opposite faces are parallel so, although an octahedron has 8 faces, there are only 4 sets of kamacite plates. Due to a long … See more Octahedrite is an obsolete synonym for anatase, one of the three known titanium dioxide minerals. See more • Glossary of meteoritics See more Octahedrites can be grouped by the dimensions of kamacite lamellae in the Widmanstätten pattern, which are related to the nickel content: • Coarsest octahedrites, lamellae width >3.3 mm, 5-9% Ni, symbol Ogg • Coarse octahedrites, … See more • Webmineral • Meteorites Australia See more WebThe Best 10 Art Galleries near me in Atlanta, Georgia. 1. Whitespace Gallery. “In this opportunity I'm going to talk about Whitespace, my favorite art gallery in Atlanta!” more. …
Fine octahedrite
Did you know?
WebApr 2, 2024 · Most specimens show flight markings and evidence of a violent atmospheric breakup. A beautiful fine octahedrite pattern when etched and is very resistant to rust because of the tight fitting crystals, lack of inclusions, and high nickel content. It also displays a beautiful Widmanstaten Pattern. Makes a great and unique gift from out of this … WebThe Portales Valley offered is a metal-rich slice (4.0 mm thick) with large angular H6 chondritic components. The meteorite fell to earth the morning or June 13th 1998 in Portales, New Mexico. It is one of the few having distinctive ribbons of metal up to 20 mm wide. The metal when etched reveals the Widmanstätten pattern of a fine octahedrite.
WebAnatase var. OctahedriteLes Abrets en DauphineLa Tour-du-PinIsereAuvergne-Rhone-AlpesFranceDimensions: 0.9 cm (width) x 0.9 cm (height) x 0.8 cm (thick)Specimen … WebIron, fine octahedrite Kiruna, Sweden The cut surfaces displaying troilite inclusions within a resplendent fine-grained Widmanstätten pattern, the product of the solid-state intergrowth of two different iron-nickel minerals – kamacite and taenite. Modern cutting. 3 2/3 x 3 x 2in. (92 x 76 x 50mm.) 2.69kg.
WebMost of the time we use Muonionalusta, which is classified as a fine octahedrite. It is 4.5 billion years old, and it impacted northern Scandinavia about a million years ago. The first fragment was found in 1906. WebIt is a fine octahedrite with parallel bands of low-ni metal about 0.3 mm thick. A polished and etched slab of Gibeon is displayed in Cabinet 6. Gibeon has the second largest total mass among collected iron meteorites, probably in excess of 70 tons. The specimen is on a long-term loan from the Utas Meteorite Collection to the UCLA Meteorite ...
WebLocation: Gibeon, Namaland, Namibia, 25° 30'S, 18° 0'E. Found: 1836. Type: Iron, IVA fine octahedrite. Description: Gibeon is one of the world's most important iron meteorites. Click here to find out more about the Gibeon meteorite.
The Muonionalusta meteorite is a meteorite classified as fine octahedrite, type IVA (Of) which impacted in northern Scandinavia, west of the border between Sweden and Finland, about one million years BCE. The first fragment of the Muonionalusta meteorite was found in 1906 near the village of Kitkiöjärvi. Around forty pieces are known today, some being quite la… refinish dining table farmhouseWebAn iron with very narrow bands, less than 1 mm, would be a "fine octahedrite" and those with wide bands would be called "coarse octahedrites." Stone meteorite: Detail of prepared slice of the … refinish dining table top polyurethanehttp://www.meteoritemarket.com/GNet.htm refinish doorWebIron, fine octahedrite Gibeon, Great Nama Land, Namibia The undulating natural rim of this complete slice is rendered in a smoky charcol hue with caramel highlights. The crystalline pattern of this meteorite is unusually robust. Signature troilite (iron sulfide) inclusions are scattered throughout this choice example. 287 x 221 x 5mm. refinish drain coversWebPossessing what is among the highest terrestrial ages of any meteorite, Muonionalusta fell to Earth about one million years ago in what is now northern Sweden. While meteorite hunters have unearthed numerous masses in recent years using metal detectors, it was back in 1906 that children discovered the first Muonionalusta while engaging in a favorite … refinish dining table winston salem ncWebIron w. silicate inclusions, fine octahedrite (IAB-sLH; Off) Found 1892, 26.3 kg; weathered An iron meteorite (Ni ~17%) was said to have fallen in 1892 and sold entire in 1951 to the U.S. National Museum. The meteorite was too weathered to have been an observed fall, but has still had some very special features from the meteoritical ... refinish door hardwareWebThe Elga meteorite is a fine-grained octahedrite with numerous (up to 15 vol.%) rounded silicate inclusions (up to a few millimeters in size) . The texture and composition of the metal and silicate inclusions indicate that the meteorite shows traces of secondary melting caused by shock metamorphism [1,5,8,9,10,11,12,13,14,15,16,17,18,19,20]. refinish doors front door