noun
- Plural of pigeonite; a type of pyroxene mineral, typically found in igneous rocks, characterized by a narrow range of iron and magnesium composition.
Usage: geology; mineralogy; technical
Examples
- Pigeonites are commonly found in basaltic lava flows.
- The geologist identified several pigeonites in the thin section of the volcanic rock.
- Pigeonites differ from other pyroxenes in their specific iron-magnesium ratios.
- The presence of pigeonites in the sample indicated rapid cooling of the magma.