SCIAN212329National Industry
Mining of other clays and other refractory minerals
Economic units mainly engaged in the exploitation and processing of other refractory and non-refractory clays, industrial clays such as Fuller's earth and magnesite, and other refractory minerals such as bentonite, figul…
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SCIAN212323National Industry
Feldspar mining
Economic units mainly dedicated to the exploitation of feldspar minerals, which can be potassic, such as orthoclase, or calc-sodium, such as albite and anorthite, and beneficiation activities, such as cleaning and concen…
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