In layperson's terms and simple language, it explains facts about the diamonds as a gem and as an industrial component.
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Book Description Rough Stones Co Inc, 1999. Paperback. Book Condition: New. Never used!. Bookseller Inventory # P110967514800
Book Description Rough Stones Company. PAPERBACK. Book Condition: New. 0967514800 New Condition. Bookseller Inventory # NEW7.2086674