NOT KNOWN FACTUAL STATEMENTS ABOUT OPTICAL GRADE POLYCRYSTALLINE DIAMOND CRYSTAL

A further downside is usually that specimen edges are stressed and, Except if the specimen sides are polished, together with its faces, deceptive outcomes might be obtained (although this is simply not the situation for chemically vapour-deposited diamond). A four-place bend take a look at is usually used mainly because it stresses a larger quantit