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Minerals for Collectors: 12 Must-Have Specimens
Minerals for collectors come in all shapes, sizes, colors, and complexities—but certain specimens stand out as essential additions to any serious or aspiring collection....
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Yooperlites: What & Where to Find Them
Yooperlites: These fluorescent sodalite rocks are found along the shores of the Great Lakes and are especially popular in the Upper Peninsula of Michigan...
Gemstones in the Bible
What are the gemstones in the Bible? The Bible makes many general references to “precious stones” and “jewels,” most often as metaphors for such...