"Troilite" Natural Recordings by Native Speakers
Troilite is a rare iron sulfide mineral, with the chemical formula FeS. It is a rich source of essential iron and sulfur.
It was named after the Greek hero Troilus, a prince of Troy, and was first identified in 1763. It occurs in contact metamorphic rocks, such as breccias and gneisses, and is also found in some igneous and hydrothermal veins.
Troilite is a rare meteoritic mineral. Here are 5 examples of its usage: