Aluminium oxide

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

Aluminium oxide (also aluminium(III) oxide), commonly called alumina, is an inorganic compound of aluminium and oxygen with the chemical formula Al2O3. At ambient conditions, its thermodynamically stable crystalline form is α-Al2O3, which has the corundum structure. Gem-quality corundum forms rubies and sapphires.

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

Image: Nbritton, Public domain, via Wikimedia Commons.