Sillimanite, kyanite, andalusite, and dumortierite.

Bibliographic Details
Other Authors: Petar, Alice Virginia, 1902-
Format: Government Document eBook
Language:English
Published: Washington, D.C. : [publisher not identified], 1930.
Series:Mines Bur. Info. Circ. No. 6255
Subjects:
Online Access:Connect to the full text of this electronic document
Description
Item Description:[On sources and uses for minerals]
Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC.
Electronic resource.
Physical Description:1 online resource (19 pages)
Format:System requirements: PDF reader software.