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Mohs’ Hardness Scale Collection |
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All samples are pure crystalline forms to ensure accurate test results. You can also perform other physical properties tests with the included materials. The set is housed in a compartmented collection box, and an identification list is included.Contents:9 numbered samples, 1″ x 1″; streak plate; magnet; glass slide; copper stripMinerals:1 Talc2 Selenite3 Calcite4 Fluorite5 Apatite6 Microcline7 Quartz8 Topaz9 Corundum
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