File:Calcite-Sphalerite-66634.jpg - Wikimedia Commons
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Sphalerite: The primary ore of zinc and a collector's gem.
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Sphalerite: Mineral information, data and localities.
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File:Baryte-Sphalerite-212115.jpg - Wikimedia Commons
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Sphalerite 1140g Romania
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Sphalerite: Mineral information, data and localities.
File:Sphalerite on Devonian limestone (Auglaize Quarry, near Junction, Ohio, USA) (48882672427).jpg - Wikimedia Commons
Sphalerite - Wikipedia
sphalerite - Wiktionary, the free dictionary
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A new perspective on geology: scientists create incredibly detailed catalog of the origins of Earth's minerals
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Sphalerite - Wikipedia
Sphalerite - Wikipedia
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File:Sphalerite-Galena-228313.jpg - Wikimedia Commons
