Which term is a notch scratched into rough diamond to prepare it for cleaving?

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Prepare for the Gemological Institute of America's Graduate Diamonds Exam. Enhance your expertise with comprehensive quizzes and insightful explanations. Be ready to excel!

Multiple Choice

Which term is a notch scratched into rough diamond to prepare it for cleaving?

Explanation:
This tests understanding of how rough diamonds are split for cutting. A kerf is a shallow groove or notch scratched into the surface of the rough diamond to establish a cleavage plane. Diamonds fracture most cleanly along natural crystal planes, so the kerf marks a controlled path where a blow will split the stone along that plane, minimizing waste and ensuring a predictable break. The other terms refer to finished diamond cut styles or unrelated terminology, not to a preparatory notch for cleavage.

This tests understanding of how rough diamonds are split for cutting. A kerf is a shallow groove or notch scratched into the surface of the rough diamond to establish a cleavage plane. Diamonds fracture most cleanly along natural crystal planes, so the kerf marks a controlled path where a blow will split the stone along that plane, minimizing waste and ensuring a predictable break. The other terms refer to finished diamond cut styles or unrelated terminology, not to a preparatory notch for cleavage.

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