Authentic Specimens Packaged for Educational Display &amp; Study    The Rock &amp; Mineral Specimen Set contains 36 rocks from igneous, sedimentary and metamorphic groups and 64 minerals, including samples of elements, sulfides, halides, oxides-hydroxides, sulfates, tungstates, silicates, carbonates, phosphates, sorosilicates, cyclosilicates, inosilicates, phyllosilicates, tectosilicates, feldspar group and scapolite group.    Specimens are mounted on cardboard display tray. Includes 15 page study…