Questions tagged [gemology]

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

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14 votes
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Does Revelation 21 demonstrate pre-scientific knowledge about precious stones?

Revelation 21:19-20 (NIV) lists twelve kinds of precious stones that make up the city walls of the New Jerusalem: Jasper, Sapphire, Agate, Emerald, Onyx, Carnelian, Chrysolite, Beryl, Topaz, ...
mwfearnley's user avatar
5 votes
0 answers

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 ...
sleske's user avatar
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21 votes
2 answers

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 ...
RomanSt's user avatar
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