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The Collaborative International Dictionary
Mineralogies

Mineralogy \Min`er*al"o*gy\, n.; pl. Mineralogies. [Mineral + -logy: cf. F. min['e]ralogie.]

  1. The science which treats of minerals, and teaches how to describe, distinguish, and classify them.

  2. A treatise or book on this science.

Wiktionary
mineralogies

n. (plural of mineralogy English)