Kernowite is a mineral which was first described in 2020. It is named for
Cornwall
Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...
, which in the
Cornish language is ''Kernow''.
Description
Kernowite is a complex
arsenate mineral
Arsenate minerals usually refer to the naturally occurring orthoarsenates, possessing the (AsO4)3− anion group and, more rarely, other arsenates with anions like AsO3(OH)2− (also written HAsO42−) (example: pharmacolite Ca(AsO3OH).2H2O) or ( ...
with the composition . It was first described in 2020, and is closely related to
liroconite
Liroconite is a complex mineral: Hydrated copper aluminium arsenate hydroxide, with the formula Cu2 Al As O4�4(H2O). It is a vitreous monoclinic mineral, colored bright blue to green, often associated with malachite, azurite, olivenite, and clin ...
, containing iron in the place of aluminium, making it green rather than blue.
Its name is derived from ''Kernow'', the name of
Cornwall
Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...
in the
Cornish language, after being discovered in a rock mined .1800 in the
Wheal Gorland mine,
St Day
St Day ( kw, Sen Day) is a civil parish and village in Cornwall, England, United Kingdom. It is situated between the village of Chacewater and the town of Redruth. The electoral ward St Day and Lanner had a population at the 2011 census of 4,473 ...
, Cornwall.
See also
*
Cornwallite
Cornwallite is an uncommon copper arsenate mineral with formula Cu5(AsO4)2(OH)4. It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a green monoclinic mineral which forms as radial to fibrous e ...
– a mineral also named after Cornwall
References
Further reading
* {{Cite journal, journal=Mineralogical Magazine, publisher=Cambridge University Press, title=Newsletter 58, doi=10.1180/mgm.2020.93, last1=Rumsey , first1=M. S. , last2=Welch , first2= M. D. , last3=Spratt , first3=J. , last4=Kleppe , first4=A. , last5=Števko , first5=M., date=15 December 2020, volume=84, issue=6, pages=971–975, bibcode=2020MinM...84..971M, doi-access=free
Copper(II) minerals
Iron minerals
Arsenate minerals
Geology of Cornwall
Minerals described in 2020
2020 in England
Monoclinic minerals