Differentiating aragonite from calcite by IR and Raman spectroscopy (2001)

Aragonite and calcite are two polymorphs of the calcium carbonate mineral, CaCO3, calcite being the most stable. Aragonite's crystal lattice differs from that of calcite, resulting in a different...

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Why are not all chromium stone viewed red with the Chelsea filter ? (1364)

An attempt to identify amphiboles with IR reflectance spectroscopy (1505)