Definition

Noun 1. A mineral: A red, yellow, or brown mineral that is an oxide of iron and a common component of rust.

Usage and Examples

• As a mineral specimen: "The geologist identified the yellowish-brown coating on the rock as gothite."
• As a constituent of rust: "The analysis showed that gothite was a primary mineral in the iron corrosion products."
• In geological contexts: "This deposit is known for its crystals of gothite and hematite."

Advanced Usage

• In mineralogy: The mineral is often discussed in relation to its polymorph, goethite, with "gothite" being a common alternate spelling. It is studied for its role in iron ore deposits and soil chemistry.

Variants and Related Words

• Goethite (n): The standard and more commonly used spelling for the same iron oxide hydroxide mineral (α-FeOOH).
• Limonite (n): A field term for a mixture of fine-grained iron oxides, often including gothite/goethite.

Synonyms

• Iron oxide hydroxide (scientific term)

Noun

1. a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust