Australian Agates | |
File Size: | 273 kb |
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Digital Photography - John Betts | |
File Size: | 1361 kb |
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Herkimer Diamond Mines | |
File Size: | 261 kb |
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Introduction to Fluorite | |
File Size: | 3234 kb |
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Meanderings of a Montana Rockhound | |
File Size: | 1694 kb |
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Minerals in Afghanistan | |
File Size: | 2136 kb |
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Mineral Slideshow | |
File Size: | 1410 kb |
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Rock & Mineral Information | |
File Size: | 1948 kb |
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Ubiquitous Quartz | |
File Size: | 1112 kb |
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U.S. Gemstones | |
File Size: | 1275 kb |
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