Here are entered works on the potential economic value of minerals or the technical aspects of locating and removing them from the earth. Works on the industries based on the extraction, processing, and commercialization of minerals are entered under Mineral industries. Works on the geochemical or geological aspects of naturally formed inorganic and organic compounds are entered under Minerals. --headings beginning with the words Mine and Mining
Here are entered mineralogical and technological works on potential and actual engraved stones and jewels. Antiquarian or artistic works on engraved stones and jewels are entered under Gems.
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