Erythrite

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Erythrite, also known as red cobalt, previously cobalt ochre is a secondary hydrated cobalt arsenate mineral with the formula Co3(AsO4)2•8H2O. Erythrite and annabergite, chemical formula Ni3(AsO4)2•8H2O, or nickel arsenate form a complete series with the general formula (Co,Ni)3(AsO4)2•8H2O.

Excerpt from the Wikipedia article “Erythrite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Didier Descouens, CC BY-SA 3.0, via Wikimedia Commons.