The characters of the classes, orders, genera, and species; or, the characteristic of the natural history system of mineralogy. Intended to enable student of discriminate minerals on principles similar to those of botany and zoology / By Frederick Mohs.

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The characters of the classes, orders, genera, and species; or, the characteristic of the natural history system of mineralogy. Intended to enable student of discriminate minerals on principles similar to those of botany and zoology / By Frederick Mohs. Public Domain Mark. Source: Wellcome Collection.