홈 > Term: porcelain jasper
porcelain jasper
A hard, naturally baked, impure clay or porcellanite that, because of its red color, was long considered a variety of jasper.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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