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Collection of 24 minerals, 1018444 [U72020], Mineralogy

Collection of 24 minerals

Item: 1018444 [U72020]

Mohs' hardness scale, 1018488 [U72025], Mineralogy

Mohs' hardness scale

Item: 1018488 [U72025]

CD-ROM The Structure of Matter Part I: Basic Knowledge, 1004310 [W13541], Mineralogy

CD-ROM The Structure of Matter Part I: Basic Knowledge

Item: 1004310 [W13541]