magnetite

IPA: mˈægnʌtaɪt

(mineralogy) A magnetic mineral, Fe₃O₄, one of the primary ores of iron. It has also been called lodestone.

Examples of "magnetite" in Sentences

These mineral crystals were identified as magnetite, pyrrhotite, and greigite.
Like PAHs, these minerals -- mainly iron compounds called magnetite and pyrrhotite -- can come from inorganic sources.
The copper at Hillside has a close association with the mineral magnetite, which is the cause of the magnetic anomaly.
Spoornet spokesman Molatwane Likhethe said these two mines produced a waste product called magnetite, containing about 55 percent iron ore.
In 1948, Néel made another fundamental discovery with his explanation of the strong magnetism found in the ferrite materials, of which magnetite is one.
Very seldom is the obsidian colorless; most often it's very dark or black due to impurities such as magnetite and hematite, both being iron oxide variations.
Further resource drilling for the eastern extension is planned, where previous drilling undertaken has shown that the quality of the magnetite is the same as that in the western portion of the deposit.
It is, of course, a self-evident fact that the magnetic iron ore, which is a form of peroxide, commonly known as magnetite, or lodestone, has the power of attracting a magnet when swinging free, or of being attracted by a magnet, to account for which many plausible reasons have been advanced.