Contents
Illustrations
PREFACE
INTRODUCTION
WHAT ARE ROCKS AND MINERALS?
COLLECTING ROCKS AND MINERALS
ROCK AND MINERAL IDENTIFICATION CHARTS
DESCRIPTIONS OF SOME TEXAS ROCKS AND MINERALS
COMPOSITION, HARDNESS, AND SPECIFIC GRAVITY OF SOME TEXAS MINERALS
BOOKS ABOUT ROCKS AND MINERALS
GLOSSARY
Index
Transcriber's Notes
BUREAU OF ECONOMIC GEOLOGY The University of Texas Austin, Texas Peter T. Flawn, Director
Guidebook 6
By ROSELLE M. GIRARD
Sketches by Bill M. Harris
February 1964 Second Printing, April 1972 Third Printing, April 1976 Fourth Printing, May 1979