Chrysocolla

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

Chrysocolla ( KRIS-ə-KOL-ə) is a hydrous copper phyllosilicate mineral and mineraloid with the formula Cu2 – xAlx(H2Si2O5)(OH)4⋅nH2O (x < 1) or (Cu, Al)2H2Si2O5(OH)4⋅nH2O).

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

Image: Auteur inconnu, CC BY 2.0, via Wikimedia Commons.