Carlsbergite is a

nitride mineral In chemistry, a nitride is a chemical compound of nitrogen. Nitrides can be inorganic or organic, ionic or covalent. The nitride anion, N3−, is very elusive but compounds of nitride are numerous, although rarely naturally occurring. Some nitr ...

that has the chemical formula CrN, or

chromium nitride Chromium nitride is a chemical compound of chromium and nitrogen with the Chemical formula, formula CrN. It is very hard, and is extremely resistant to corrosion. It is an interstitial compound, with nitrogen atoms occupying the octahedral holes in ...

. It is named after the

Carlsberg Foundation Carlsberg Foundation () is a not-for-profit organization that was founded by J. C. Jacobsen in 1876, by allocating some of his shares in the Carlsberg Brewery to fund and operate the Carlsberg Laboratory and the Museum of National History at ...

which backed the recovery of the Agpalilik fragment of the

Cape York meteorite The Cape York meteorite, also known as the Innaanganeq meteorite, is one of the largest known iron meteorites, classified as a medium octahedrite in chemical group IIIAB meteorites, IIIAB. In addition to many small fragments, at least eight large ...

in which the mineral was first described. It occurs in

meteorite A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...

s along the grain boundaries of

kamacite Kamacite is an alloy of iron and nickel, which is found on Earth only in meteorites. According to the International Mineralogical Association (IMA) it is considered a proper nickel-rich variety of the mineral native iron. The proportion iron:ni ...

(nickel-rich native iron) or

troilite Troilite () is a rare iron sulfide mineral with the simple formula of FeS. It is the iron-rich endmember of the pyrrhotite group. Pyrrhotite has the formula Fe(1−x)S (x = 0 to 0.2) which is iron deficient. As troilite lacks the iron deficiency ...

(FeS:

iron sulfide Iron sulfide or iron sulphide can refer to range of chemical compounds composed of iron and sulfur. Minerals By increasing order of stability: * Iron(II) sulfide, FeS * Greigite, Fe3S4 (cubic) * Pyrrhotite, Fe1−xS (where x = 0 to 0.2) (monocli ...

) in the form of tiny plates. It occurs associated with kamacite,

taenite Taenite is a mineral found naturally on Earth mostly in iron meteorites. It is an alloy of iron and nickel, with a chemical formula of and nickel proportions of 20% up to 65%. The name is derived from the Greek ταινία for "band, ribbo ...

, daubreelite, troilite and

sphalerite Sphalerite is a sulfide mineral with the chemical formula . It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in Sedimentary exhalative deposits, sedimentary exhalative, Carbonate-hoste ...

, . In addition to the Cape York meteorite, carlsbergite has been reported from: * the North Chile meteorite in the

Antofagasta Province Antofagasta Province () is one of three provinces in the northern Chilean region of Antofagasta (II). The capital is the port city of Antofagasta. Located within the Atacama Desert, it borders the El Loa and Tocopilla provinces to the north, t ...

, Chile * the Nentmannsdorf meteorite of

Bahretal Bahretal is a municipality in the Sächsische Schweiz-Osterzgebirge district in Saxony, Germany. It is situated in the northeastern foothills of the Ore Mountains, between Bad Gottleuba-Berggießhübel and Dohna. It consists of several small villa ...

Saxony Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and ...

, Germany * the

Okinawa Trough The (also called , literally "China-Ryukyu Border Trough") is a seabed feature of the East China Sea. It is an active, initial back-arc rifting basin which has formed behind the Ryukyu arc-trench system in the West Pacific. It developed where th ...

Senkaku Islands The Senkaku Islands, known as the Diaoyu Islands in China and the Tiaoyutai Islands in Taiwan, are a group of uninhabited islands in the East China Sea, administered by Japan. They were historically known in the Western world as the Pinnacle ...

Okinawa Prefecture is the southernmost and westernmost prefecture of Japan. It consists of three main island groups—the Okinawa Islands, the Sakishima Islands, and the Daitō Islands—spread across a maritime zone approximately 1,000 kilometers east to west an ...

, Japan * the Uwet meteorite of

Cross River State Cross River State is a state in the South-South geopolitical zone of Nigeria. Named for the Cross River, the state was formed from the eastern part of the Eastern Region on 27 May 1967. The state has its capital as Calabar and is bordered to ...

, Nigeria * the Sikhote-Alin meteorite, Sikhote-Alin Mountains, Russia * the Hex River Mountains meteorite from the Cape Winelands District,

Western Cape Province The Western Cape ( ; , ) is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabi ...

, South Africa * the

Canyon Diablo meteorite The Canyon Diablo meteorite refers to the many fragments of the asteroid that created Meteor Crater (also called Barringer Crater), Arizona, United States. Meteorites have been found around the crater rim, and are named for nearby Canyon Diab ...

Meteor Crater Meteor Crater, or Barringer Crater, is an impact crater about east of Flagstaff and west of Winslow in the desert of northern Arizona, United States. The site had several earlier names, and fragments of the meteorite are officially called ...

Coconino County, Arizona Coconino County is a County (United States), county in the North Central Arizona, North-Central part of the U.S. state of Arizona. Its population was 145,101 at the 2020 United States census, 2020 census. The county seat is Flagstaff, Arizon ...

, United States * the Smithonia meteorite of

Oglethorpe County, Georgia Oglethorpe County is a county located in the northeastern part of the U.S. state of Georgia. As of the 2020 census, the population was 14,825. The county seat is Lexington. Oglethorpe County is included in the Athens-Clarke County, GA Met ...

, United States * the Kenton County meteorite of

Kenton County, Kentucky Kenton County is a county located in the northern part of the Commonwealth of Kentucky. As of the 2020 census, the population was 169,064, making it the third most populous county in Kentucky (behind Jefferson County and Fayette County). ...

, United States * the Lombard meteorite of

Broadwater County, Montana Broadwater County is a county in the U.S. state of Montana. As of the 2020 census, the population was 6,774. Its county seat is Townsend. The county was named for Charles Arthur Broadwater, a noted Montana railroad, real estate, and banking ...

, United States * the Murphy meteorite of Cherokee County and the Lick Creek meteorite of

Davidson County, North Carolina Davidson County is a county located in the U.S. state of North Carolina. As of the 2020 census, its population was 168,930. Its county seat is Lexington, and its largest community is Thomasville. Davidson County is included in the Winston-S ...

, United States * the New Baltimore meteorite of

Somerset County, Pennsylvania Somerset County is a County (United States), county in the Commonwealth (U.S. state), Commonwealth of Pennsylvania. As of the 2020 United States census, 2020 census, the population was 74,129. Its county seat is Somerset, Pennsylvania, Somerset. ...

, United States

References

{{meteorites Meteorite minerals Cubic minerals Minerals in space group 225 Rocksalt group