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Structural class of iron meteorites
Octahedrites are the most common structural class of iron meteorites. The structures occur because the meteoric iron has a certain nickel concentration
Octahedrite
Octahedrite meteorite
pronunciation: [mʉˈǒːnɪɔnalːɵsta]) is a meteorite classified as fine octahedrite, type IVA (Of) which impacted in northern Sweden, near the border to
Muonionalusta
Crystal patterns found in some meteorites
Thomson structure, is a figure of long phases of nickel–iron, found in the octahedrite shapes of iron meteorite crystals and some pallasites. Iron meteorites
Widmanstätten_pattern
Meteorite composed of iron-nickel alloy called meteoric iron
coarse octahedrites, 6.4–8.7% Ni, 55–100 ppm Ga, 190–520 ppm Ge, 0.6–5.5 ppm Ir, Ge-Ni correlation negative. IB: Ataxites and medium octahedrites, 8.7–25%
Iron_meteorite
Very large iron meteorite from Altay prefecture in Northern Xinjiang, China
is one of the largest known iron meteorites, classified as a coarse octahedrite in chemical group IIIE-an. In addition to many small fragments, at least
Aletai_meteorite
Very large iron meteorite from Greenland
is one of the largest known iron meteorites, classified as a medium octahedrite in chemical group IIIAB. In addition to many small fragments, at least
Cape_York_meteorite
Meteorite
crystal structure of this meteorite provides a classic example of fine octahedrite and the Widmanstätten pattern is appreciated for its beauty both by collectors
Gibeon_(meteorite)
1947 meteorite impact in southeastern Russia
iron meteorite belonging to the meteorite group IIAB and with a coarse octahedrite structure. It is composed of approximately 93% iron, 5.9% nickel, 0.42%
Sikhote-Alin_meteorite
Iron meteorite from Meteor Crater used as sulfur isotopic reference material
billion years, ± 70 million years. This meteorite is an iron octahedrite (coarse octahedrite). Minerals reported from the meteorite include: Cohenite –
Canyon_Diablo_(meteorite)
76°03′35″N 64°55′20″W / 76.05972°N 64.92222°W / 76.05972; -64.92222 Octahedrite IIIAB 30,880 kg (68,080 lb) 3 Campo del Cielo (Gancedo) 2016 Chaco, Argentina
List of largest meteorites on Earth
List_of_largest_meteorites_on_Earth
Chemical element with atomic number 28 (Ni)
Widmanstätten pattern showing the two forms of nickel–iron, kamacite and taenite, in an octahedrite meteorite
Nickel
Type of meteorite
The iron meteorites of the IIE chemical type are octahedrites of various coarseness, most of which contain numerous inclusions of recrystallized stony
IIE_iron_meteorite
Meteorites discovered in Argentina
× 91 m (377 ft × 299 ft) (largest) Age 4200 to 4700 years ago Holocene Exposed Yes Drilled Yes Bolide type Coarse octahedrite to granular hexahedrite
Campo_del_Cielo
Pallasite meteorite discovered in Russia
pallasitic structure, it had been classified as IIE anomalous coarse octahedrite. Seymchan is considered a stable and rust-resistant pallasite. Due to
Seymchan_(meteorite)
Alloy of iron and nickel found in meteorites
fine-grained mixture of the minerals kamacite and taenite found in the octahedrite iron meteorites. It occurs in gaps (its name is derived from the Greek
Plessite
Alloy of iron and nickel found in meteorites
It is a major constituent of iron meteorites (octahedrite and hexahedrite types). In the octahedrites it is found in bands interleaving with taenite
Kamacite
Alloy of iron and nickel found in meteorites
"band, ribbon". Taenite is a major constituent of iron meteorites. In octahedrites it is found in bands interleaving with kamacite forming Widmanstätten
Taenite
Impact crater in Chile
asteroid containing iron and nickel. It has been identified as a group I octahedrite and as an IAB meteorite with a size of about 15 m (49 ft). The impact
Monturaqui
Impact craters in Saudi Arabia
(16 mi) northwest of Wabar, which contained fragments of a Type IIIA octahedrite identical to Wabar fragments, support this northwestern direction of
Wabar_craters
Structural class of iron meteorite
nickel–iron alloy kamacite and are lower in nickel content than the octahedrites. The nickel concentration in hexahedrites is always below 5.8% and only
Hexahedrite
Iron-nickel meteorite found in Oregon, U.S.
Museum of Natural History Type Iron Structural classification Medium octahedrite Group IIIAB Composition 91% Fe, 7.62% Ni, 18.6ppm Ga, 37.3ppm Ge, 4.7ppm
Willamette_Meteorite
Collision of two astronomical objects
iron meteorite belonging to the chemical group IIAB and with a coarse octahedrite structure. More than 70 tonnes (metric tons) of material survived the
Impact_event
Meteorite that fell in 1751
Hraschina is an iron meteorite chemical type IID, structural class medium octahedrite. Composition: Fe 89%, Ni 10.5%, Ge 89.4 ppm, Ga 74.5 ppm, Ir 13 ppm.
Hraschina_meteorite
Meteorite found in the United States
specimen as octahedrite. He wrote that it could also be an example of a hexaoctahedrite (a transition between hexahedrite and octahedrite). A more recent
Lake_Murray_meteorite
Group of meteorites found in Mexico
total known mass is about 3 tonnes. These iron meteorites are a coarse octahedrite, chemical type IAB-sLL. The mean composition is 90.5% Fe and 8.1% Ni
Toluca_(meteorite)
chondrite Observed fall – a meteorite that was seen when it fell to Earth. Octahedrite – the most common structural class of iron meteorites. Ordinary chondrite
Glossary_of_meteoritics
Impact crater in west Texas
in the immediate area that were formed by the impact of thousands of octahedrites (an iron metallic type) that fell in prehistoric times. The web site
Odessa_Meteor_Crater
Meteorite
meteorite collisions of recent history. It is classified as a medium octahedrite of the IIIB chemical class and shows Widmanstätten patterns. On 3 April
Treysa_(meteorite)
Natural history museum in Austin, Texas
in the old Capitol building before it burned down, when this Coarse Octahedrite was turned over to the University of Texas. According to Neighbors, "When
Texas Science and Natural History Museum
Texas_Science_and_Natural_History_Museum
Type of iron meteorite
wide and lie in a matrix of plessite. The Tlacotepec meteorite is an octahedrite, making a notable exception, as most IVBs are ataxites. Iron meteorites
IVB_meteorite
Second largest meteorite found in Australia
The Cranbourne meteorite is an octahedrite iron meteorite, classified as a main group IAB meteorite. It is the second largest meteorite found in Australia
Cranbourne_meteorite
Meteorite found in Brazil
Patos de Minas is an octahedrite meteorite. It was found in 1925 and 2002 in Patos de Minas, Minas Gerais, Brazil. It weighs 200 kilograms (440 lb) and
Patos_de_Minas_(meteorite)
Mineral form of titanium dioxide
other dipyramidal ones. Another name commonly in use for anatase is octahedrite, which is earlier than anatase and was given by Horace Bénédict de Saussure
Anatase
Phosphide mineral
Pallasite Main group Eagle Station Pyroxene Structural Ataxite Hexahedrite Octahedrite Obsolete terms Amphoterite Nonmagmatic meteorite Mineralogy and petrology
Allabogdanite
Meteorite
(236 lb) before being cut into pieces, the Elbogen meteorite has an octahedrite structure. Its dimensions were approximately 50×30×20 centimetres (19
Elbogen_(meteorite)
Meteorite impact crater in Western Australia
meteorite fragments collected around the crater are classified as a coarse octahedrite belonging to chemical class IIAB; the fragments show considerable evidence
Veevers_crater
Structural class of iron meteorites
ataxite that appears to be a completely metamorphosed and recrystallized octahedrite. Field of view ~2.5 cm across. This is a cut, polished, nitric acid-etched
Ataxite
Collected meteorite whose fall was observed
University of Western Ontario for analysis. Zadzim Poland 17 April 2026 octahedrite 2,896 kg A fireball was recorded by 11 cameras and 2 spectrographs of
Meteorite_fall
Solid with eight equal triangular faces
polyhedral structures), and fluorite. The plates of kamacite alloy in octahedrite-structural meteorites are arranged parallel to the eight faces of an
Regular_octahedron
Meteorite found in Western Australia
Premier Downs I, named Premier Downs II. Both meteorites were medium octahedrites, believed to be part of the same fall. In 1918, a third similar small
Mundrabilla_(meteorite)
Group of alloys
Widmanstätten pattern in NiFe octahedrite meteorite
Iron–nickel_alloy
Patterns of parallel lines seen in cross-sections of many hexahedrite iron meteorites
iron meteorites in the kamacite phase, although they may appear also in octahedrites provided the kamacite phase is about 30 micrometres wide. They can be
Neumann_lines
Meteorite found in the United States
Bear Creek meteorite, formerly known as the Colorado meteorite, is an octahedrite meteorite that was found in 1866 in Jefferson County, Colorado, United
Bear_Creek_(meteorite)
Academic journal
Pallasite Main group Eagle Station Pyroxene Structural Ataxite Hexahedrite Octahedrite Obsolete terms Amphoterite Nonmagmatic meteorite Mineralogy and petrology
Meteoritics & Planetary Science
Meteoritics_&_Planetary_Science
Meteorite found in Belarus
small Brahin slice Type Stony-iron Structural classification Medium octahedrite Class Pallasite Group Main Group Pallasite Composition 37.18 wt% olivine
Brahin_(meteorite)
Iron meteorite from Mexico
IVB meteorite. It is the only meteorite of the IVB group that is an octahedrite. The meteorite is named after Tlacotepec, Guerrero (Mexico). Glossary
Tlacotepec_meteorite
Geological processes by which rocks are formed
rocks." An example of a primitive rock is the achondritic iron-nickel octahedrite mineral seen in the Widmanstätten pattern that is found in a number of
Formation_of_rocks
Group of iron meteorites
Structurally they can be hexahedrites, fine to coarse octahedrites, or even ataxites. Most of them are octahedrite with medium to coarse taenite-lamella and distinct
IAB_meteorite
Systems of grouping meteorites based on shared characteristics
traditionally divided into objects with similar internal structures (octahedrites, hexahedrites, and ataxites), but these terms are now used for purely
Meteorite_classification
Academic journal
Pallasite Main group Eagle Station Pyroxene Structural Ataxite Hexahedrite Octahedrite Obsolete terms Amphoterite Nonmagmatic meteorite Mineralogy and petrology
Geochimica et Cosmochimica Acta
Geochimica_et_Cosmochimica_Acta
Class of stony-iron meteorite
the high orthopyroxene content (about 5%). Metal matrix shows a fine octahedrite Widmanstätten pattern. Pallasite ungrouped (P-ung): Specimens that do
Pallasite
Meteorite discovered in Portugal
meters deep, when the land was being prepared for planting vines. It is a octahedrite. Correia, Ana Paula; Ribeiro, Ana Isabel; Ribeiro, José. "Meteoritos
São Julião de Moreira (meteorite)
São_Julião_de_Moreira_(meteorite)
City in the Republic of Bashkortostan, Russia
found when digging out the crater. The meteorite is made of iron of the octahedrite (IIIAB) type. The main mass is now in the Museum of Archaeology and Ethnography
Sterlitamak
County in Wisconsin, United States
inter-ethnic economic struggle over pier pricing and access. In 1887, an octahedrite meteorite weighing nearly nine pounds was plowed up four miles west of
Kewaunee_County,_Wisconsin
Place in Chukotka Autonomous Okrug, Russia
(129 lb) and was classified by the Natural History Museum as a medium Octahedrite, containing (mineral composition determined by X-ray spectral microanalysis):
Aliskerovo
Iron meteorite found in 1984 in Canada
of the village of Penouille, historic Comte Gaspe-Est. It is a medium octahedrite, IAB complex. Terrestrial oxidation, abrasion and corrosion of this meteorite
Penouille_meteorite
Award
Pallasite Main group Eagle Station Pyroxene Structural Ataxite Hexahedrite Octahedrite Obsolete terms Amphoterite Nonmagmatic meteorite Mineralogy and petrology
Nier_Prize
Meteorite
Hand-colored drawing Type Stony–iron Structural classification Medium octahedrite Class Pallasite Group Pallasite Main Group Country Russia Region Krasnoyarsk
Krasnojarsk_(meteorite)
Village in Hardap Region, Namibia
crystalline structure of this meteorite is a classic example of fine octahedrite and the Widmanstätten pattern aesthetically appreciated both by collectors
Gibeon,_Namibia
Type of iron meteorite
meteorites. Their structural classification ranges from hexahedrites to octahedrites. IIABs have the lowest concentration of nickel of all iron meteorite
IIAB_meteorites
Italian natural history museum at Pisa
Tuscan area as well as the largest Italian meteorite: the 48 kg Bagnone’s Octahedrite. A 9-meter by 5-meter wooden reconstruction of Noah's Ark with 160 animals
Natural History Museum of the University of Pisa
Natural_History_Museum_of_the_University_of_Pisa
American mineralogist (1869–1954)
Association (1897–98) "The Soda-rhyolite North of Berkeley" (1893) "On Octahedrite, Brookite and Titanite from Somerville, Massachusetts, U.S.A." in Festsch
Charles_Palache
Meteorite found in Northern Territory, Australia
Huckitta Type Stony-iron Structural classification Medium octahedrite Class Pallasite Group Main Group Pallasite Composition metal: 7.79% Ni, 26 ppm Ga
Huckitta_(meteorite)
Meteorite found in Quebec, Canada
loaned it to the Geological Survey of Canada for analysis. It is a medium octahedrite, IIIAB. The recovered fragment is an irregularly shaped block about 19
Chambord_meteorite
Meteorite found in Ontario, Canada
and there was no evidence that it was a recent fall. It is a coarse octahedrite, IAB complex. The main mass is in the Smithsonian Institution, Washington
Osseo_meteorite
Geological formation in England
collophanite (Ca3P2O8 H2O ), silica (Si), clay minerals and derivatives such as octahedrite (brookite) (TiO2), and dickite (Al2Si2O5(OH)4). The seams are often oolitic
Cleveland_Ironstone_Formation
Meteorite found in Canada
was linked to a fireball reported in the area in 1914. It is a medium octahedrite, IAB-sLL. Measuring 30 centimetres (12 in) by 15 centimetres (5.9 in)
Annaheim_meteorite
Meteorite found in Azerbaijan
Astrophysical Observatory Type Iron Structural classification Coarse octahedrite Group IAB complex Composition 92,7% Fe, 6.6% Ni, 0.41% Co, 0.18% P Country
Yardymly_(meteorite)
Meteorite collection in Brazil
Minas Siderite Minas Gerais, Brazil 1934 112 kg (247 lb) Patos de Minas Octahedrite Minas Gerais, Brazil 1925 218.4 kg (481 lb) Composed of iron and nickel
Collection of meteorites in the National Museum of Brazil
Collection_of_meteorites_in_the_National_Museum_of_Brazil
Iron meteorite
exterior and lying at the surface of the ground. The meteorite is a coarse octahedrite (mean bandwidth 1.34mm) with narrow cloudy taenite bands separating the
Lac_Dodon
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