Definition

Noun: 1. A dark-colored spinel containing iron: Ceylonite is a mineral, specifically a variety of spinel, characterized by its dark color (often black, brown, or dark green) due to its iron content.

Usage Examples

• Ceylonite is sometimes called pleonaste in mineralogical texts.
• This variety of spinel, known as ceylonite, is primarily found in metamorphic rocks.

Advanced Usage

• Ceylonite is a term used specifically in mineralogy and geology. It is not commonly used in everyday language.
• The name "ceylonite" is derived from Ceylon, the former name of Sri Lanka, where it was originally described.

Variants and Related Words

• Pleonaste (noun): A synonym for ceylonite.
• Spinel (noun): The broader mineral group to which ceylonite belongs.

Synonyms

• Pleonaste
• Iron-bearing spinel
• Dark spinel

Antonyms

• There are no direct antonyms for a specific mineral name. One could contrast it with light-colored or iron-free spinel varieties, such as magnesiochromite (if chromium-rich) or simply colorless spinel.

Notes

• Ceylonite is a highly specialized term. Its usage is confined to scientific contexts describing minerals.
• It is not to be confused with "Ceylon," which refers to the island nation (Sri Lanka) or products from there (e.g., Ceylon tea).

Noun

1. a dark-colored spinel containing iron