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goethite
This term is used primarily within the specialized registers of geology, mineralogy, and soil science. It describes a specific mineral species characterized by its distinct yellow-brown hue, which is often responsible for the coloration of rust and certain types of soil.
As a chemical entity and mineral species, it is treated as an uncountable mass noun. It refers to the substance itself rather than individual crystals unless specifically discussing distinct mineral specimens in a laboratory context.
Ý nghĩa
Ví dụ
The sample contains a high concentration of goethite.
The sample contains a high concentration of goethite.
Look at these yellow-brown crystals of goethite.
I wonder if this soil discoloration is caused by goethite.
Goethite often forms as a result of the weathering of other iron minerals.
Is this specimen pure goethite or a mixture of oxides?
The geologist identified the mineral as goethite using X-ray diffraction.
Goethite is a common component of many iron ore deposits.