Ankerite

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

In collections

Nobody has pulled it yet.

What Wikipedia says

Ankerite, also known as brown spar (German: braunspat) or bitter spar is a calcium, iron, magnesium, manganese carbonate mineral of the group of rhombohedral carbonates with the chemical formula Ca(Fe,Mg,Mn)(CO3)2.

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

Image: Auckland Museum Collections from Auckland, Aotearoa New Zealand, CC BY 2.0, via Wikimedia Commons.