Category: Science - Earth/Agricultural/Farming
INTRODUCTION.--Money in the Rocks--The Underground Wealth of our Country--Valuable Minerals Disguised--How Great Fortunes are Missed--Number of Minerals in the United States--Object of this Work and How to Use it--The Best Mineral Regions.....9
This stone is a mixture of several kinds of quartz, mainly the white, red, brown and black, disposed in layers or clouds. The layers are zigzag, circular or in straight bands (o...
19. CHAPTER IX.Separated from California by the snowy chain of the Sierra, the State of Nevada has been celebrated, since 1860, for its silver mining. In November, 1859, the news of the discov...
14. CHAPTER V.WHEN AN ORE WILL PAY--WASHING FOR GOLD AND PLATINUM--HOW TO ASSAY GOLD IN THE SIMPLEST WAY--TO TEST ANY ROCK FOR GOLD AND SILVER--TO FIND THE PURITY OF GOLD--TO DETECT AND ASSAY...
15. CHAPTER VI.Any spring which contains a large amount of foreign matter, as gas, salts and earthy ingredients, is called _mineral water_. The special prominence of any ingredient gives it it...
12. CHAPTER IV.The mineral riches of a country are frequently discovered by attentively observing the fragments brought down by the action of water from the hills into the valleys; and on trac...
17. Chapter II. Garnet is the heaviest of gems; weighed in water it losesonly one-fourth of its weight; _i. e._, if a red garnet be suspended by a fine thread from a delicate balance and immersed in a glass of water under it, one-quarter of its ordin...
9. CHAPTER I.MONEY IN THE ROCKS--THE UNDERGROUND WEALTH OF OUR COUNTRY--VALUABLE MINERALS DISGUISED--HOW GREAT FORTUNES ARE MISSED--NUMBER OF MINERALS IN THE UNITED STATES--OBJECT OF THIS WO...
18. CHAPTER VIII.It was on the 19th day of January, 1848, that James W. Marshall, while engaged in digging a race for a saw-mill at Coloma, about thirty-five miles eastward from Sutter’s Fort, f...
10. CHAPTER II.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 USEF...
16. CHAPTER VII.“Paris Brilliants” are more dangerous counterfeits, and are very often sold for genuine. The great establishment of Boarguiguon, in Paris, is the most famous manufactory of arti...
13. Chapter V., and the particles of gold are not heavy enough to remain atAlong streams rather high up among the mountains, and in the gravelly drift covering the slopes of the valley below, are the best prospects. Where the stream meets an obstacle i...
8. CHAPTER IX.This little work was not written for mineralogists, but expressly for the landholder, the farmer, the mechanic, the miner, the laborer, even the most unscientific. It is designe...
3. CHAPTER III.DESCRIPTIVE LIST OF USEFUL MINERALS.--The Gems--Precious Metals--Valuable Ores and Useful Minerals of the United States from Agate to Zinc--Their Distinguishing Characters, Uses...
5. CHAPTER V.ASSAY OF ORES.--When an Ore will Pay--Washing for Gold and Platinum--How to Assay Gold in the Simplest Way--To Test any Rock for Gold and Silver--To Find the Purity of Gold--To...
2. CHAPTER II.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 Pyrit...
4. CHAPTER IV.PROSPECTING FOR DIAMONDS, GOLD, SILVER, COPPER, LEAD AND IRON.--Mineral Riches, how Discovered--Indications--Searching for Diamonds, and how to Distinguish them--Paying Localiti...
1. CHAPTER I.INTRODUCTION.--Money in the Rocks--The Underground Wealth of our Country--Valuable Minerals Disguised--How Great Fortunes are Missed--Number of Minerals in the United States--Ob...
7. CHAPTER VII.ARTIFICIAL JEWELRY--HOW MADE AND HOW DETECTED.--Mock Diamonds--“Paris Brilliants”--The Manufacture of Pastes--False Ruby, Topaz, Sapphire, Emerald and Carnelian--How to Distingu...
6. CHAPTER VI.