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Diamond Grading ASSIGNMENT 4 Questions and Answers with Complete Solutions 2024
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Diamond Grading ASSIGNMENT 4 Questions and Answers with Complete Solutions 2024 How far beneath the earth's surface do diamonds form? A. 15 to 30 miles (25 to 50 kilometers) B. 30 to 50 miles (50 to 75 kilometer) C. 50 to 90miles (75 to 140 kilometers) D. 90 to 140 miles (140 to 220 kilometers) - answer90 - 140 miles (140 to 220 kilometers) The deep vertical formations through which diamonds traveled to the surface are called A. Drifts B. Pipes C. Cratons D. Alluvials - answerpipes The first authenticated diamond discovered in South Africa is named the A. Eureka B. Cullinan C. De Beers D. Star of Africa - answerEureka Most of the worlds Kimberlite pipes
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