Home > Term: Scotch pebble
Scotch pebble
A rounded fragment of agate, carnelian, cairngorm, or other variety of quartz; found in gravels of parts of Scotland and used as a semiprecious stone.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)