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Bortz
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
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Bort, английский
- The name given to a long fishing-line in the shetland isles.
- Originally the term was used as a name for all crystalline diamonds not usable as gems; later it was used to designate those diamonds not usable as gems or toolstones. currently the term commonly is applied to low-grade industrials suitable only for use in a fragmented form. see fragmented bort. also sometimes spelled boart, boartz, boort, borts, bortz, bowr.
См., русский
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Crushing boart, английский
Borts, английский
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