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Rock & Gem, 01 七月 2026

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本期內容

ArticleEditor’s Let­ter

Happy 250, Amer­ica! As geo­logy and rock enthu­si­asts, our play­ground is the world—even the sky. But real­ist­ic­ally, most of us do our rock­hound­ing close to home. As we mark July and re ect on our nation’s his­tory, here at Rock & Gem, we’re...

Editor’s Let­ter

ArticleRETRO ROCKS: TOURING COPPER IN CLARKDALE, ARIZONA

Clark­dale, Ari­zona, is home to a rich col­lec­tion of cop­per art at the Cop­per Art Museum, which cel­eb­rates the min­eral sym­bol­ized by a cop­per star in the cen­ter of Ari­zona’s state ag and des­ig­nated as the state metal. ere is no ques­tion...

RETRO ROCKS: TOURING COPPER IN CLARKDALE, ARIZONA

ArticleFROM THE STUDIO: HOW TO SUCCESSFULLY BUY AT A GEM SHOW

Attend­ing and shop­ping at a gem and min­eral show can be over­whelm­ing. A pur­chase mis­take can cause you to miss out on an item that you desire or cost you money. Before a gem and min­eral show, I like to have a plan that gives me guidelines and a...

FROM THE STUDIO: HOW TO SUCCESSFULLY BUY AT A GEM SHOW

ArticleFIELD GUIDE: NATIVE COPPER

Cop­per min­ing reaches back to the dawn of metal­lurgy, form­ing the back­bone of the Bronze Age and some of the earli­est com­plex soci­et­ies. Long before iron, cop­per was the metal that changed everything. It was hammered, cast and alloyed with...

FIELD GUIDE: NATIVE COPPER