Issue Highlights: August 2018

Highlights of the August 2018 print edition of Rock & Gem magazine

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  • Why Minerals Have Color: Impurities and other factors cause the colors we see
  • The ‘Unicorn’ Citrine Scepter and Yellow Agates
  • Mexico’s New Classics: Several sources produced unrivaled specimens of admit and legrandite
  • The Caverns of Sonora, Texas: An enchanting panorama of silhouettes
  • Rare-Earth Elements: A timely look at their minerals and metals
  • Minerals Through Geologic Time: Part I – Minerals of the Precambrian
  • Moroccan Aragonite: Specimens by the millions
  • Rock Shops of Distinction: Part I – This revamped emporium exudes community spirit

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Rock & Gem is the leading magazine for rockhounds, mineral collectors, lapidary artists, and gemstone enthusiasts. For more than 50 years, the publication has inspired readers with expert field guides, collecting locations, lapidary techniques, mineral and fossil features, gemstone education, and stories from across the hobby. Whether you're a beginner discovering your first crystal or an experienced collector seeking your next adventure, Rock & Gem provides trusted information and inspiration for every aspect of the rock and mineral world.

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