Cover image for Yogo : the great American sapphire
Title:
Yogo : the great American sapphire
Author:
Voynick, Stephen M.
Personal Author:
Edition:
Revised edition.
Publication Information:
Missoula, Mont. : Mountain Press Pub. Co., 1995.

©1985
Physical Description:
xii, 215 pages, 4 unnumbered pages of plates : illustrations (some color) ; 23 cm
General Note:
Rev. ed. of: The great American sapphire. 1985.

"Revised edition - Fall, 1987" - T.P. verso.
Language:
English
ISBN:
9780878422173
Format :
Book

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TN997.S24 V69 1985 Adult Non-Fiction Central Closed Stacks
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Summary

Summary

To the surprise of many, the United States has emerged as a commercial source of what some gem experts consider the world's finest sapphire. Equally surprising is that the entire production of the gem comes from a little-known Montana mine named Yogo, whi