Hoelite is a

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2011): Mi ...

, discovered in 1922 at Mt. Pyramide,

Spitsbergen Spitsbergen (; formerly known as West Spitsbergen; Norwegian language, Norwegian: ''Vest Spitsbergen'' or ''Vestspitsbergen'' , also sometimes spelled Spitzbergen) is the largest and the only permanently populated island of the Svalbard archipel ...

, Norway and named after Norwegian geologist

Adolf Hoel Adolf Hoel (15 May 1879 – 19 February 1964) was a Norwegian geologist, environmentalist and Polar region researcher. He led several scientific expeditions to Svalbard and Greenland. Hoel has been described as one of the most iconic and influenti ...

(1879–1964). Its chemical formula is C₁₄H₈O₂ (

9,10-anthraquinone Anthraquinone, also called anthracenedione or dioxoanthracene, is an aromatic organic compound with formula . Several isomers exist but these terms usually refer to 9,10-anthraquinone (IUPAC: 9,10-dioxoanthracene) wherein the keto groups are loc ...

). It is a very rare

organic mineral An organic mineral is an organic compound in mineral form. An organic compound is any compound containing carbon, aside from some simple ones discovered before 1828. There are three classes of organic mineral: hydrocarbons (containing just hydrog ...

which occurs in

coal fire A coal-seam fire is a burning of an outcrop or underground coal seam Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely used to gen ...

environments in association with

sal ammoniac Salammoniac, also sal ammoniac or salmiac, is a rare naturally occurring mineral composed of ammonium chloride, NH4Cl. It forms colorless, white, or yellow-brown crystals in the Cubic (crystal system), isometric-hexoctahedral class. It has very ...

and

native sulfur Sulfur (American spelling and the preferred IUPAC name) or sulphur ( Commonwealth spelling) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form ...

References

Organic minerals Monoclinic minerals Minerals in space group 14 Minerals described in 1922 {{mineral-stub