Читать книгу Underground Treasures: How and Where to Find Them - James Orton - Страница 2
Table of Contents
ОглавлениеCHAPTER II. DIRECTIONS FOR DETERMINING SPECIMENS BY THE KEY.
CHAPTER III. DESCRIPTIVE LIST OF USEFUL MINERALS.
42.— Limonite, or Brown Hematite.
CHAPTER IV. PROSPECTING FOR DIAMONDS, GOLD, SILVER, COPPER, LEAD AND IRON.
CHAPTER VII. ARTIFICIAL JEWELRY—HOW MADE AND HOW DETECTED.
PRECIOUS STONES. ARRANGED ACCORDING TO COLOR AND IN ORDER OF HARDNESS.