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珪岩 (けいがん, keigan) Japanese meaning: quartzite | Kotomora

珪けい岩がん

け

い

が

ん

Meanings

1

quartzite

A hard metamorphic rock composed mainly of quartz, used in construction and industry.

珪けい岩がんは非ひ常じょうに硬かたい岩がん石せきです。
Quartzite is a very hard rock.

Kanji

珪jade scepter or tablet (authority symbol)
岩boulder, rock, cliff

Related words

石せき英えい
石英 is the mineral quartz, while 珪岩 is the rock quartzite, which is composed mainly of quartz.
砂さ岩がん
砂岩 is sandstone, a sedimentary rock; quartzite is a metamorphic rock formed from sandstone under heat and pressure.

Etymology

珪 (けい, 'silicon') + 岩 (がん, 'rock'). The kanji 珪 is used in geological terms for silica-related rocks and minerals.

この地ち域いきでは良りょう質しつな珪けい岩がんが採とれる。

High-quality quartzite is mined in this region.