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augite
Augite is a technical term used primarily in geology and mineralogy. It describes a specific type of pyroxene that is ubiquitous in igneous rocks, particularly basalt. Because it is a mineral species, it is typically treated as an uncountable mass noun when referring to the substance itself, though it becomes countable when referring to individual crystals or specific mineral samples.
In a professional scientific context, the term is neutral and descriptive. It is rarely encountered in general conversation unless discussing petrology or the composition of volcanic rock.
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Ví dụ
The geologist identified several crystals of augite in the basalt sample.
Look at these dark green prisms of augite under the microscope.
I wonder if this rock contains augite or just common pyroxene.
Augite is a primary constituent of many igneous rocks.
Augite is a primary constituent of many igneous rocks.
Is that a grain of augite embedded in the matrix?
The dark luster of the augite crystals makes them easy to spot.
We need to determine the calcium content of this augite specimen.