| Home | 
    
      | GemRocks | 
    
      | Title Page Preface
 Introduction
 Index
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      | Agate Alabaster
 Amber
 Amphibole-rich
rocks
 Anhydrite
 Anorthosite
 Argillite
 Azurite
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      | Basalt Breccia
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      | Chalcedony Charoite
 Chert
 Chicken-blood
stone
 Chlorastrolite
 Chrysocolla
 Cinnabar
 Coal
 Conglomerate
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      | Datolite Dolostone
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      | Fluorite Fossiliferous
rocks
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      | Gneiss Goodletite
 Granite
 Graphic granite
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      | Hawk's
eye Hematite
 The Jades
 Jadeite
 Nephrite
 Jasper
 Jet
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      | Labradorite Lapis lazuli
 Larvikite
 Leopard rocks
 Leopardite
 Limestone
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      | Malachite Marble
 Maw-sit-sit
 Meerschaum
 Meteorites
 Migmatite
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      | Nephrite | 
    
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      | Obsidian Onyx
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      | Perthite Porphyry
 Psilomelane
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      | Quartzite | 
    
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      | Rhodochrosite Rhodonite
 Rhyolite
 
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      | Sandstone Septarium
 Serpentine
 Slate
 Smithsonite
 Soapstone
 Sodalite
 Sugilite
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      | Tektite Thomsonite
 Thunder egg
 Tiger's-eye
 Travertine
 Turquoise
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      | Unakite | 
    
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      | Variscite Vesuvianite
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      | Zoisite | 
    
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      | Appendices: A. Additional
Gemrocks
 B. Glossary
 C.
      References
 D. Amber
Etymology
 E. Archaeologic
Gemrocks
 -Caribbean
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      | Index | 
    
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