noun
- plural of jarosite; yellow to brown sulfate minerals containing iron and potassium
Usage: mineralogy
Examples
- The geologist identified several jarosites in the rock samples from the mine.
- Jarosites form in acidic environments where iron-rich minerals are exposed to weathering.
- The yellow coating on the cliff face consisted mainly of jarosites.
- Scientists study jarosites on Earth to understand similar minerals found on Mars.
- The presence of jarosites indicates past water activity in this geological formation.