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Non-Zeolite Minerals: Volcanic Treasures
Non-zeolite minerals offer striking beauty and scientific intrigue in volcanic mineral collecting. Found in the same cavities and geologic settings, these minerals—like cavansite, apophyllite,...
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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...