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                       Fossil Dune, Kauai, Hawaii    
                       Hanalei Beach, Kauai, Hawaii 
 
                       Kekahua Beach, Kauai, Hawaii 
 
                       Keoneloa (Shipwreck) Beach, Kauai, Hawaii        
                       Makauwahi Cave Beach, Kauai, Hawaii        
 
 Magnetite Crystals       
 
 Volcanic Glass (obsidian)     
 
 Olivine         
 
 Calcite Crystal from Limestone      
 
                       McArthur Beach, Kauai, Hawaii        
                       Pohihale Beach, Kauai, Hawaii          
                       Popui Beach, Kauai, Hawaii      
                       Salt Pond, Kauai Sand      
                       Wiamai Beach Near the River, Kauai Sand  
 
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