Iridium(IV) oxide

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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

In collections

Nobody has pulled it yet.

What Wikipedia says

Iridium(IV) oxide, IrO2, is the only well-characterised oxide of iridium. It is a blue-black solid, used with other rare oxides to coat anodes.

Excerpt from the Wikipedia article “Iridium(IV) oxide”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Solid State, CC BY-SA 3.0, via Wikimedia Commons.