Arsenopyrite

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

Class

Notion

Domain

Science and technology

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What Wikipedia says

Arsenopyrite (IMA symbol: Apy) is an iron arsenic sulfide (FeAsS). It is a hard (Mohs 5.5–6) metallic, opaque, steel grey to silver white mineral with a relatively high relative density of 6.1.

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

Image: Henk Smeets – tomeikminerals.com, CC BY 4.0, via Wikimedia Commons.