Perfect colorless natural diamonds and diamonds of clear fancy colors are rare and expensive. Structurally imperfect diamonds and the diamonds of dull color, e.g. those of brown or gray colors, or tinted with yellow, constitute a vast majority of natural diamonds and are priced much lower.
CITATION STYLE
Dobrinets, I. A., Vins, V. G., & Zaitsev, A. M. (2013). Introduction. In Springer Series in Materials Science (Vol. 181, pp. 1–4). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-642-37490-6_1
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