Metal & Mineral Sample Set of 24
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Fe(C2-4.3%), AI, Magnetite, Classiterite,
Fe, Sn, Sphalerite, Molybdenite,
Cu, Fe, Hematite, Pyrite,
Pb, Cu, Graphite, Galena,
Fe(C-2%), Fe, Scheelite, Bauxite,
Cu, NI-Cr, Limonite, Pyrolusite,