Rock and Gem

Rock & Gem is the leading publication for rockhounds, lapidary and mineral enthusiasts. Serving the community since 1971, Rock & Gem’s print issues include identification guides, Rock & Gem Kids, must-see travel destinations, step-by-step projects, fascinating features, and expert lapidary and faceting insights. Our active readership reaches day-to-day collectors plus an organized rockhound community and network of clubs, including the American Federation of Mineralogical Societies.

Editor’s Letter

Rock and Gem

June: The Season for Weddings—and Volcanoes?

Tracking Our Four-Footed Ancestors • The family history gets older & older!

Using Obsidian to Track an Empire

Subduction Is Alive & Well on Venus

Red Amber • One valuable doorstop!

Taking the Measure of Sloths through Time • They’re tiny compared to their past glory!

Improved Alerts of Offshore Earthquakes

Birds Embraced the Arctic Almost Since Birds Began!

A Fossil Mollusk? Sponge? • Just what IS this weird creature??

Is Earth Leaking from the Middle?

The Strongest Evidence Yet for Extraterrestrial Life! Or not.

Deinosuchus • An alligator no more!

Sri Lanka: The Gem Island • Ceylon, Sapphires & Serendipity

The Amazing Mineral Magic Show • Wowing Kids & Adults Alike!

Meramec Station Road Calcite • Finding calcite in Limestone Cliffs near St. Louis

TERROIR FIRMER: Volcanic Basalt Shakes Up Snow Capped Cider

ROCK & GEM FIELD GUIDE: Oregon Sunstone

PSEUDOFOSSILS • “Fossils” That Aren’t!

MOSAIC

DUNCAN POPPY JASPER

SPACE ROCKS • Exploring the Asteroid Belt’s Ancient Rocks

Blue Opal • An Exotic & Common Gem Material

Show Dates • TO VIEW MORE CALENDAR DATES VISIT ROCKNGEM.COM.

SALAR DE UYUNI

MUSCOVITE MICA • ROCKS, MINERALS AND JEWELRY