Iceland spar and optical fluorite /

"July, 1931." Cover title. Includes bibliographical references. Mode of access: Internet.

Bibliographic Details
Main Authors: Hughes, H. Herbert (Harry Herbert), 1905-, United States. Bureau of Mines.
Format: Text
Language:English
Subjects:
Iceland spar
Fluorspar
Iceland
Online Access:http://hdl.handle.net/2027/mdp.39015095079011
Description
Summary:"July, 1931." Cover title. Includes bibliographical references. Mode of access: Internet.

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