Mineral Resource of the Month: Talc

Earth
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Abstract

When people think of talc, they often think of talcum and baby powder. However, these uses of talc are minor compared to its use in industrial manufacturing. The leading use of talc in the United States is in the production of ceramics, where it is a source of magnesium oxide, serves as a flux to reduce firing temperatures, and improves thermal shock characteristics of the final product. Worldwide, the major use of talc is as a paper constituent, where it fills the interstices between cellulose paper fibers, reduces paper transparency, improves ink receptivity, and absorbs undesirable tree sap residues that can generate blemishes in the paper.

Publication type Article
Publication Subtype Journal Article
Title Mineral Resource of the Month: Talc
Series title Earth
Volume March 2014
Year Published 2014
Language English
Publisher AGI
Contributing office(s) National Minerals Information Center
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