(mineralogy) An iron oxyhydroxide that is the main constituent of rust and in mineral form is an ore.
Used in a Sentence
goethite
Definition, parts of speech, synonyms, and sentence examples for goethite.
Editorial note
A good piece of evidence is that the dust of Mars is significantly composed of 'goethite', essentially hydrated iron rust.
Examples10
Definitions1
Parts of speech1
Quick take
(mineralogy) An iron oxyhydroxide that is the main constituent of rust and in mineral form is an ore.
Meaning at a glance
The clearest senses and uses of goethite gathered in one view.
Definitions
Core meanings and parts of speech for goethite.
noun
(mineralogy) An iron oxyhydroxide that is the main constituent of rust and in mineral form is an ore.
Example sentences
A good piece of evidence is that the dust of Mars is significantly composed of 'goethite', essentially hydrated iron rust.
The strength quality of the mineral in question, goethite, is only good at nano scale (400-800nm).
Limpets' teeth do use goethite, an oxyhydroxide of iron, in exactly the same way, achieving hardnesses that do exceed iron's.
Bog iron (mostly goethite) from bogs is also a good source of iron.
The good news is that some ores of iron reduce fairly easily and directly, most notably hematite and the hydroxide-iron ores like limonite and goethite.
Both strongly indicate water went in to making them but the blueberries imply they were submerged in water whereas goethite doesn't necessary require anything but water vapor.
The iron is usually found in the form of magnetite (Fe_3O_4, 72.4% Fe), hematite (Fe_2O_3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H_2O), 55% Fe), or siderite (FeCO_3, 48.2% Fe).
Quote examples
A good piece of evidence is that the dust of Mars is significantly composed of 'goethite'..." you mean these?
Proper noun examples
Goethite is FeO(OH), an iron oxyhydroxide.
Goethite: learn something new every day.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use goethite in a sentence?
A good piece of evidence is that the dust of Mars is significantly composed of 'goethite', essentially hydrated iron rust.
What does goethite mean?
(mineralogy) An iron oxyhydroxide that is the main constituent of rust and in mineral form is an ore.
What part of speech is goethite?
goethite is commonly used as noun.