asbolane

{{Short description|Manganese oxy-hydroxide mineral with traces of other metals}}

{{Infobox mineral

| name = Asbolane

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| boxbgcolor = grey

| image = File:Asbolana Peñamellera (Asturias).jpg

| imagesize = 230

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| caption = Asbolane in its crystal form

| category = Hydroxide mineral

| formula = {{chem2|Mn^{4+}(O,OH)2*(Co,Ni,Mg,Ca)_{x}(OH)_{2x}*nH2O}}

|IMAsymbol=Asb{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|url=https://www.cambridge.org/core/journals/mineralogical-magazine/article/imacnmnc-approved-mineral-symbols/62311F45ED37831D78603C6E6B25EE0A|journal=Mineralogical Magazine|volume=85|issue=3 |pages=291–320|doi=10.1180/mgm.2021.43 |bibcode=2021MinM...85..291W |s2cid=235729616 |doi-access=free}}

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| system = Hexagonal crystal system

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| colour = Black

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{{Other uses|Cobalt ochre}}

Asbolane, previously cobalt ochreKrivovichev V. G. Mineralogical glossary. Scientific editor A. G. Bulakh. — St.Petersburg: St.Petersburg Univ. Publ. House. 2009. — 556 p. — ISBN 978-5-288-04863-0{{rp|172}} is a manganese (IV) oxy-hydroxide mineral containing also cobalt, nickel, magnesium, and calcium ions. It crystallizes in the hexagonal crystal system. {{Cite web|url=http://webmineral.com/data/Asbolane.shtml|title=Asbolane Mineral Data|website=webmineral.com|access-date=2019-01-15}} Its chemical formula is {{chem2|Mn^{4+}(O,OH)2*(Co,Ni,Mg,Ca)_{x}(OH)_{2x}*nH2O}}.