chlorite
Noun: 1. A common green, black, or colorless mineral: Chlorite is a group of sheet silicate minerals, typically found as a flat, plate-like crystal. It is a common constituent of many metamorphic and igneous rocks, as well as some sedimentary rocks.
Chlorite is used primarily as a geological and mineralogical term to identify a specific mineral group within rocks. * The presence of chlorite in the schist indicates low-grade metamorphism. * Under the microscope, the green chlorite flakes are easily identifiable. * This sample contains quartz, feldspar, and chlorite.
- In Petrology: Chlorite is used as an index mineral to estimate the temperature and pressure conditions during rock formation. The specific type of chlorite can provide details about a rock's metamorphic history.
- As an Alteration Product: In geology, chlorite often forms as a secondary mineral through the alteration of other ferromagnesian minerals like biotite, pyroxene, or amphibole.
- Chloritic (adjective): Describing a rock or substance containing or resembling chlorite.
- The rock has a chloritic matrix surrounding the larger crystals.
- Phyllosilicate (a broader category of sheet silicate minerals to which chlorite belongs)
- Green mineral (a general, non-specific descriptive term)
The noun "chlorite" has a single, specific meaning in mineralogy and geology. It is not to be confused with the chemical ion "chlorate" (ClO₃⁻) or "chlorite" (ClO₂⁻), which are different chemical compounds.
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a generally green or black mineral; it occurs as a constituent of many rocks typically in the form of a flat crystal
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