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Pyroxene
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piroxênio
a group of minerals found in igneous and metamorphic rocks, typically dark in color and composed of silica, magnesium, and iron
Exemplo
Mineral collectors prized rare varieties of pyroxene for their distinctive colors and crystal formations.
Researchers studied the chemical composition of pyroxene to understand its role in the formation of volcanic eruptions.
The museum displayed a large specimen of pyroxene, showcasing its distinctive crystal structure and dark color.
The mountain range consisted of metamorphic rocks containing prominent veins of pyroxene.
The volcanic rock was rich in pyroxene, giving it a dark and glossy appearance.
