홈 > Term: firestone
firestone
A transparent quartz crystal containing minute air-filled or liquid-filled internal cracks that produce iridescence by interference of light. The cracks may occur naturally or be caused artificially by heating and sudden cooling of the specimen.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
0
작성자
- ed.young
-
(V.I.P) 21084 포인트 - 100% positive feedback
(Milwaukee, United States)
