Kyanite and sillimanite in Ontario
By: by D.F. Hewitt
Series: Industrial mineral circular / Ontario Dept. of Mines -- no. 4; Industrial mineral circular (Ontario. Department of Mines) -- no. 4.
Publisher: Ontario Department of Mines
Published: 1952
Place of publication: [Toronto]
Language: eng
Subjects: Aluminum silicates; Sillimanite
Notes: "November 1952."

Includes bibliographical references (p. 9).