Advertising
Smithsonian Rock and Gem
Smithsonian Rock and Gem
Origins
6
The Formation of the Universe
8
The Formation of Earth
12
Earth's Crust
16
Collecting Rocks and Minerals
20
Rocks
26
Rock Formation
28
Types of Rock
30
Igneous Rocks
32
The Giant's Causeway
44
The Devil's Tower
48
Sedimentary Rocks
52
Caves and Caverns
56
The Terra-Cotta Army
62
The Painted Desert
66
Stonehenge
72
Metamorphic Rocks
76
The Taj Mahal
80
Minerals
86
What is a Mineral?
88
Identifying Minerals
92
Mineral Associations
96
What is a Crystal?
98
Crystal Systems
100
Crystal Habits
102
What is a Gemstone?
104
Gem Mining
106
Gem Cutting
108
Megagems
110
Native Elements
112
Egyptian Gold
116
Hope Diamond
124
Sulfides
126
Sulfosalts
142
Oxides
146
Star Stones and Cat's eyes
152
Fluorescent Minerals
160
Hydroxides
166
Halides
170
Carbonates
176
Russian Malachite
186
Phosphates, Arsenates, and Vanadates
188
Mesoamerican Turquoise
198
Borates and Nitrates
204
Sulfates, Chromates, Tungstates and Molybdates
208
Silicates
218
Tectosilicates
218
Feldspars
234
Feldspathoids
242
The Standard of Ur
246
Zeolites
249
Phyllosilicates
256
Single-Chain Inosilicates
270
Double-Chain Inosilicates
278
Chinese Burial Suites
282
Cyclosilicates
286
Sorosilicates
294
Nesosilicates
298
The Garnet Group
300
Organic Gems
314
The Amber Room
316
Cultivating Pearls
324
Fossils
326
How Fossils are Formed
328
The Fossil Record
330
Plants
332
The Arizona Petrified Forest
334
Invertebrates
337
Vertebrates
348
The Dinosaur Quarry
350
Glossary
352
Index
354
Acknowledgements
359
More Rock & Mineral Books
