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The geologist identified feldspar and quartz in the hand sample before describing the rock's history.
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The geologist identified feldspar and quartz in the hand sample before describing the rock's history.
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Related words
feldspar
Noun
countable
uncountable
Japanese Meaning
長石：地殻の約60%を構成する多くの岩石形成鉱物の総称。アルカリ金属のアルミニウムシリケートであり、火成岩や深成岩の主要成分となる鉱物群。
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