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V-thread
Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A screw thread shaped like the letter v. vug. a small cavity in a rock, usually lined with a crystalline mineral incrustation. also incorrectly written voog, vugg and incorrectly called bug, bug hole, vug hole.
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Vee thread, английский
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Crystalline, английский
- A substance or rock composed largely or wholly of mineral crystals.
- Transparent, clear, or pure.
- Made up of crystals. the term crystalline applies to sections of all chemical fibers, which consists of alternate crystalline and amorphous (noncrystalline) regions. these regions are influenced by manufacturing conditions and to some extent can be controlled. the degree of crystallinity influences the physical properties of fibers.
Incrustation, английский
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Bug hole, английский
Vee thread, английский
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