54 Chemistry
549 Mineralogy
549.014 Mineralogy--language 549.09 History, geographic treatment, biography 549.1 Determinative mineralogy 549.2 Native elements 549.3 Sulfides, antimonides, arsenides, selenides, tellurides; sulfosalts 549.4 Halides 549.5 Oxides 549.6 Silicates 549.7 Other minerals 549.9 Geographic treatment of minerals
Dewey Decimal Classification
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