14870525-n 'variety of silica containing microcrystalline quartz';
 
Chinese (simplified) 角岩 , 黑硅石 , 燧石 , 黑矽石
英語 chert ( )
日本語 角岩
Definitions
英語
variety of silica containing microcrystalline quartz
日本語
微晶質の水晶を含むシリカの種類
Relations
Hyponym: taconite
Hypernym: silica
Semantic Field: substancen
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