Use of English PRO

Diamonds have inspired dreams (0) OF wealth and power throughout history. Until modern times, most diamonds were insignias of royalty and were beyond the reach of the common person, who could only (1) ............ visions of the astounding beauty and wealth brought (2) ............ by diamonds. It's no wonder that other gems and precious metals have historically taken a back seat (3) ............ diamonds. Some diamonds are so valuable that a person can literally carry a king's (4) ............ in a pocket. A similar value in gold would mean one would have to have access to a forklift, as some of the most valuable diamonds in the world have been (5) ............ for many thousands of times that of a similar weigh in gold! Diamond deposits are not easily found. Diamonds occur in some of the rarest rock types on the surface of the earth, and when found , they are disseminated in trace (6) ............ even in the richest deposits. The (7) ............ host rock, kimberlite, forms very small deposits. Being a relatively soft rock, kimberlite commonly erodes faster than the surrounding country rock and often is covered by thin layers of soil and regolith derived from adjacent rock (8) ............. And this is how the story ends...