Last Updated
：2025/11/20
silica group
Noun
Japanese Meaning
ケイ酸塩鉱物群：シリコンと酸素の比率が1:2で構成される、ナトリウム、カリウム、カルシウム、アルミニウムなどの元素を含み、開放的なネットワーク構造を持つ多様なケイ酸塩鉱物のグループ。
（ plural ）
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(mineralogy) A large group of silicate minerals having a silicon to oxygen ratio of 1:2. This group includes many silicates of sodium, potassium, calcium, and aluminum in an open network structure.
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silica group
Geologists regard the silica group as a family of silicate minerals that often contain sodium, potassium, calcium, and aluminum in an open network where silicon and oxygen occur in a 1:2 ratio.
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Geologists regard the silica group as a family of silicate minerals that often contain sodium, potassium, calcium, and aluminum in an open network where silicon and oxygen occur in a 1:2 ratio.
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