noun
- Plural of augite; a group of dark silicate minerals commonly found in igneous rocks, typically containing calcium, magnesium, iron, and aluminum.
Usage: geology; mineralogy; technical
Examples
- The basalt sample contained visible crystals of augites.
- Geologists identified augites as a key mineral component in the volcanic rock.
- The dark augites gave the igneous rock its characteristic black color.
- Under the microscope, the augites displayed a distinctive cleavage pattern.
- Augites are commonly found in mafic igneous rocks like basalt and gabbro.