De Colores: El Tule and La Ilusion

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De Colores: Mexico’s Mineral Palette

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Mimetite

De Colores: San Pedro Corralitos

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Carcharocles angustidens Teeth

Earth Science in the News: Deadly Shark Teeth Surface

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trilithionite

Rock Science: Lithium — The Battery Metal

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Reniform hematite

Rock & Gem Kids: Weird Words – Reniform

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Wirewrapping class

Rock Shops of Distinction: Crafting a ‘Town Commons’ for Rockhounds

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Obsidian

Mining More Than Quartz and Turquoise

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Sharp Chalcopyrite crystals

Chalcocite Crystals of Bristol Copper Mines

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#5: Rock & Gem Top 10

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