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Straight-wall core shell
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
- A reaming shell the outside walls of which are straight and not set with diamonds or hard-metal reaming points.
- Sometimes used as a synonym for blank reaming shell.
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Stratigraphic hole, английский
- See record hole.
- A borehole drilled specifically to obtain a detailed record of the character and composition of the rock formations penetrated and not for the purpose of locating a mineral deposit.
Stones per carat, английский
- Diamonds per carat,
- The number of near-equal-size diamonds the weight of which is 1 carat, hence a relative measure of the size of diamonds.
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