Definition

1. Adjective:
   • Of, relating to, or resembling mica: Describes something that contains mica, is composed of mica, or has the properties or appearance of mica, a group of silicate minerals known for their shiny, layered structure.
   • Composed of or containing mica: Specifically refers to a substance, especially a rock or soil, that has mica as a constituent part.

Usage Examples

• Adjective:
  • The rock had a distinctive micaceous sheen, glinting in the sunlight.
  • The potter used a micaceous clay to give the pottery a sparkling finish.
  • Geologists identified the soil as micaceous due to its high content of flaky minerals.

Advanced Usage

• Scientific/Geological Context: The term is primarily used in geology, mineralogy, and materials science to describe the composition or texture of rocks, clays, or soils.
  • The schist is highly micaceous, easily splitting into thin, flexible sheets.

Variants and Related Words

• Mica (n): The group of minerals to which the adjective refers. Example:
• Micaceously (adv): In a micaceous manner. Example:

Synonyms

• Flaky (when describing a similar physical texture, though less precise).
• Laminar (when describing a layered structure, though not specific to mica).
• Schistose (in geology, for rocks that readily split, often due to mica content).

Antonyms

• Massive (in geology, describing a rock without a layered or foliated structure).
• Non-foliated.

Related Phrases/Idioms

No common idioms or phrasal verbs are associated with this technical adjective.

Adjective

1. hydrous silicates of or relating to or resembling mica