Underground Treasures: How and Where to Find Them A Key for the Ready Determination of All the Useful Minerals Within the United States

CHAPTER II.

Chapter 243 wordsPublic domain

DIRECTIONS FOR DETERMINING SPECIMENS BY THE KEY.--How to Test Minerals with the Simplest Means--Prospecting with a Jack-knife and Common Sense--Use of the Key--How to Tell Pyrites from Gold, and Quartz from Diamond--All the Useful Minerals Grouped According to Hardness and Color.....15