Field Book of
Common Rocks
and Minerals
For identifying the Rocks and Minerals of the United States and interpreting their Origins and Meanings
By
Frederic Brewster Loomis
Late Professor of Mineralogy and Geology
in Amherst College
With 47 Colored Specimens and over 100 other Illustrations from Photographs by W. E. Corbin and drawings by the Author
G. P. Putnam’s Sons
New York and London
FIELD BOOK
OF
COMMON ROCKS AND MINERALS
Copyright, 1923, 1948
by
Frederick Brewster Loomis
Twenty-sixth Impression
Revised 1948
All rights reserved. This book, or parts thereof, must not be reproduced in any form without permission.
Made in the United States of America
Dedicated
TO
MY MOTHER
WHO ENCOURAGED ME WHILE A BOY TO GATHER MINERALS, ROCKS AND FOSSILS.