Colorado Gem Trails and Mineral Guide |
Contents
Preface | 13 |
History of Colorado Gems | 20 |
Western Colorado | 26 |
Copyright | |
11 other sections not shown
Common terms and phrases
abundant agate ahead amazonstone Antero attractive barite beryl bismuth blue brown Building Canon City Canyon cavities close collecting collectors Colo color Colorado Springs contains Continuing County Creek Cross Crystal Peak crystals Denver deposit described dumps east especially feet feldspar fluorite follows fork garnet gate Geological Survey Bulletin George Gold Gorge granite green groups Gulch Hartsel highway Hill inches interesting Junction Keep known Lake land largest locality MAPS Topographic maps masses material mentioned mica miles minerals Mines Mount Mountain muscovite Museum National forests occur Park Pass pegmatite petrified Pikes Peak pink present quarry quartz Range reached REFERENCES region reported ridge River road rock Royal Science sericite side slopes Society specimens Street topaz Turn left Turn right U. S. Geological Survey variety veins wood