Directions: Five sentences A,B,C,D and E are given below, you need to rearrange the sentences so that the five sentences can together form a meaningful paragraph.

A. These diamonds are more valuable than the clusters of smaller crystals known as bort and carbonados.

B. To retrieve the diamonds, the earth is crushed and concentrated.

C. Scarce diamonds are large single crystals of Genuine crystalline carbon.

D. The concentrated material is then sorted by passing it over streams of water on greased tables.

E. Diamonds are found in diamantiferous earth that is located in both open-air pits and underground mines.