Questions tagged [gemology]

Gemology is the study of natural and artificial gemstones and is a sub-discipline of mineralogy.

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Does cubic zirconia jewelry get scratched in every day use?

Cubic zirconia (CZ) is an artificially produced gemstone that is similar to diamond. When discussing it as a "diamond replacement", I have often seen the claim that it is inferior because it scratches ...
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Are gem-quality diamonds common?

One often hears that diamonds aren't rare at all. Upon closer inspection, such claims appear to actually state that diamonds cost more than their abundance alone would account for. Sources that ...