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Examination of six talc samples from Duncan Enterprises.
College Park, MD: U.S. Department of the Interior, Bureau of Mines, OFR 127-77, 1977 Jan; :1-26
The report analyzes and identifies the mineral composition of six samples of rock containing talc as a major or minor constituent. The samples were examined using light optical microscopy, x-ray diffractometry, and scanning and transmission electron microscopy. In addition to talc, the following minerals were identified: nonasbestiform tremolite, antigorite-lizardite, calcite, dolomite, quartz, and (in one sample) a few bundles of fibrous tremolite.
Talc; Microscopy; Electron microscopy; Mineralogy; Fibers; Asbestos; Amphiboles; Serpentine
NTIS Accession No.
College Park, MD: U.S. Department of the Interior, Bureau of Mines, OFR 127-77
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division