akrochordite
/ˌakrə(ʊ)ˈkɔːdʌɪt/(also acrochordite) Mineralogy
noun
A rare reddish-brown mineral typically found as small spherical aggregates in association with manganese ore.
- Akrochordite is a hydrated basic arsenate of manganese and magnesium, Mn4Mg(AsO4)2(OH)4·4H2O. Crystal system: monoclinic..
Origin
1920s. From ancient Greek ἀκροχορδών + -ite, after Swedish akrochordit, with allusion to the ‘wartlike’ spherical aggregates of the mineral.
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