PRECIOUS STONE FROM NATURAL DIAMOND AND PROCESS RELATED THEREWITH

摘要

FIELD: process engineering.SUBSTANCE: set of invention relates to processing of crude precious stone of natural diamond shaped to octahedron to produce at least one precious stone. Claimed process consists in that the crude stone is split to octahedron and, then, split along some number of faces, each being parallel with the octahedron face.EFFECT: minimised labour input, maximised yield.5 cl, 6 dwg