 Breunnerite from
Bolzano. Italy | |
| Composition | |
|---|---|
| (Mg, Fe) CO 3 |
Breunnerite is a variety of magnesite, with a magnesium/iron ratio of 90/10 to 70/30.
It has been described by Wilhelm Karl Ritter von Haidinger in samples of Pfitsch pass, Zamsergrund and Großer Mt Greiner, Zemmgrund, two cities of the Ziller Valley, Tyrol, Austria. [1]
References
- ^ Mohs, Frederick; Haidinger, William (1825). Treatise on mineralogy, or, The natural history of the mineral kingdom. Vol. 1. Edinburg. p. 411.