Texas Gemstones
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About This Book
Throughout history man has sought stones and minerals for personal adornment and ornamentation. Stones and minerals that are sufficiently beautiful, durable, and rare are known as gemstones. A gemstone with only one of these qualities is less desirable than one with all three. For example, a stone with rich color but not sufficiently durable to withstand daily wear in rings finds little favor as a gemstone except in brooches or pins where the stone is relatively safe from abrasion. Likewise, a stone that is beautiful and durable may be of little interest as a gemstone because it is commonly fo...
Chapters (44)
- Texas Gemstones
- Illustrations
- INTRODUCTION
- Properties of Gemstones
- Crystals
- CUTTING AND POLISHING OF GEMSTONES
- Cabochon Gems
- Faceted Gems
- Tumbled Gems
- TEXAS GEMSTONES
- Amber
- Augite
- Beryl
- Celestite
- Diamond
- Epidote
- Fluorite
- Fossil Wood
- Gadolinite
- Garnet
- Jet
- Labradorite
- Microcline
- Obsidian
- Opal
- Pearl
- Quartz
- CRYSTALLINE VARIETIES
- CRYPTOCRYSTALLINE VARIETIES
- Sanidine
- Spinel
- Tektite (Bediasite)
- Topaz
- Tourmaline
- Turquoise
- GLOSSARY
- SELECTED REFERENCES
- Plate I
- Plate II
- Plate III
- Plate IV
- Plate V
- Plate VI
- Index
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