Talc, steatite, and soapstone
Subtitle: pyrophyllite
By: by Hugh S. Spence.
Contributors: Canada. Bureau of Mines
Publisher: J.O. Patenaude, printer
Published: 1940
Place of publication: Ottawa
Language: eng
Number of pages: 146
Subjects: Pyrophyllite; Soapstone -- Canada; Soapstone; Talc -- Canada; Talc
Notes: At head of title: Canada.  Dept. of Mines and Resources - Mines and Geology Branch, Bureau of Mines.

Bibliography: p. 140.

Includes index.