Talc Mineral Specimen, Talc Mineral Specimen is at bottom of Mohs scale of hardness, and has distinct soapy feel., Pack of 12

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Hot fluid infiltrates atomic structure of other silicate minerals by metasomatism, altering them to form talcFor use in learning properties of minerals that have been thermally alteredFor use in classroom identification labs and exercisesCorrelates well to Next Generation Science Standards Evidence StatementsFor use in study of mineral hardness as its softness contrasts well with harder mineral such as quartz