|Enterprise Nationale de Recherche et Exploitation|
|Written by Administrator|
|Wednesday, 19 September 2007|
Enterprise Nationale de Recherche et Exploitation. A government organization set up in Guinea, in 1961, to handle all prospective mining and dealing, following that government's nationalization of its diamond- and gold-mining industries. See guinea.
epaulet (or epaulette). A modification of the pentagon cut, the shape of which is produced by varying the length and angles of the sides.
Epaulet (or epaulette) cut
Estrela de Minas Diamond. See star
OF MINAS DIAMOND.
Estrela de Minas or Estrela do Sul Diamond. See star of minas diamond. Estrela do Sul Diamond. See star of
THE SOUTH DIAMOND.
estrellada. A Brazilian term for the deposits in which Diamonds are found.
etch pits. A pattern of pitting on the face of a crystal indicating crystal structure. Etched diamonds show various surface features such as triangular shapes aligned with edges of the face of the crystal (the opposite of a trigon) on octahedron faces, boat-shaped on dodecahedron faces, and square outlines on cube faces. Sometimes called etch figures.
eternity ring. The diamond eternity ring is a circlet of small diamonds set in a precious metal. This class of ring has been used in Europe for hundreds of years. The circle is the traditional symbol of eternity.
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