Gormanite is a

phosphate mineral Phosphate minerals contain the tetrahedrally coordinated phosphate (PO43−) anion along sometimes with arsenate (AsO43−) and vanadate (VO43−) substitutions, and chloride (Cl−), fluoride (F−), and hydroxide (OH−) anions that also fit ...

with the formula . It was named after the

University of Toronto The University of Toronto (UToronto or U of T) is a public research university in Toronto, Ontario, Canada, located on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institu ...

professor

Donald Herbert Gorman Donald is a masculine given name derived from the Gaelic name ''Dòmhnall''.. This comes from the Proto-Celtic *''Dumno-ualos'' ("world-ruler" or "world-wielder"). The final -''d'' in ''Donald'' is partly derived from a misinterpretation of the ...

(1922-2020).

Occurrence

It was first described in 1981 for occurrences in Rapid Creek and Big Fish River in the Dawson Mining District,

Yukon Territory Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

. At the type localities it occurs as

veins Veins are blood vessels in humans and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated ...

in iron

phosphate nodule Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock that contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxi ...

s. In the

Bisbee, Arizona Bisbee is a city in and the county seat of Cochise County in southeastern Arizona, United States. It is southeast of Tucson and north of the Mexican border. According to the 2020 census, the population of the town was 4,923, down from 5,575 i ...

occurrence, it occurs as large crystals within fractures in a

tonalite Tonalite is an igneous, plutonic ( intrusive) rock, of felsic composition, with phaneritic (coarse-grained) texture. Feldspar is present as plagioclase (typically oligoclase or andesine) with alkali feldspar making up less than 10% of the tota ...

intrusive. It has also been reported from near

Newport Newport most commonly refers to: *Newport, Wales *Newport, Rhode Island, US Newport or New Port may also refer to: Places Asia *Newport City, Metro Manila, a Philippine district in Pasay Europe Ireland *Newport, County Mayo, a town on the ...

Sullivan County, New Hampshire Sullivan County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 43,063, making it the second-least populous county in New Hampshire. Its county seat is Newport. Sullivan County is included in the Cla ...

, and the Charles Davis

pegmatite A pegmatite is an igneous rock showing a very coarse texture, with large interlocking crystals usually greater in size than and sometimes greater than . Most pegmatites are composed of quartz, feldspar, and mica, having a similar silicic co ...

Groton Groton may refer to: Places England *Groton, Suffolk ** Groton Wood United States *Groton, Connecticut, a town ** Groton (city), Connecticut, within the town * Groton, Massachusetts, a town ** Groton (CDP), Massachusetts, the main village in the ...

Grafton County, New Hampshire Grafton County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 91,118. Its county seat is North Haverhill, a village within the town of Haverhill. Until 1972, the county courthouse and other offices ...

. It also has been reported from the Tsaobismund pegmatite, south of

Karibib , nickname = , settlement_type = Town , motto = , image_skyline =Karibib aerial view.jpg , imagesize =300 , image_caption =Karibib aerial view 2017 , image_flag = , ...

Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and e ...

References

External links

OpticalMineralogy.org
Aluminium minerals Iron(II) minerals Magnesium minerals Phosphate minerals Triclinic minerals Minerals in space group 1 {{phosphate-mineral-stub