Students learn the techniques of mineral identification by following the instructions for testing the “unknown” specimens in the collection. Specially selected specimens clearly illustrate hardness, cleavage/fracture, tenacity, and streak. The set is housed in a compartmented collection box, and a comprehensive study guide and identification list is included.Contents:22 unnumbered samples, 1″ x 1″; streak plateMinerals:Hardness: apatite, calcite, fluorite, microcline, quartz, selenite, talcClevage/Fracture: calcite, feldspar, halite, mica, quartz (obsidian), serpentineTenacity: copper, mica, selenite, sulfurStreak: graphite, hematite, magnetite, pyrite, talc
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