| Ferrohortonolite | |
|---|---|
| General | |
| Category | Mineral |
| Formula (repeating unit) | Fe/(Fe+Mg) |
Ferrohortonolite is a mineral variety in the olivine series composed of 70% to 90% fayalite and 30% to 10% forsterite or Fe/(Fe+Mg) ratio of 0.7 to 0.9. It is from the obsolete hortonolite terminology for the olivine series.
It has been reported from Mount Gillies, Queensland, Australia; the Ilimaussaq complex of west Greenland; Pantelleria Island, Sicily; and from Choc village on Saint Lucia.
References
- ^ "Ferrohortonolite". www.mindat.org.
- U.S. Bureau of Mines (1996). Dictionary of Mining, Mineral, and Related Terms.
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