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Issue Highlights: January 2019

Below is a snapshot of some of the topics and interest you can expect to see in the pages of the January 2019 issue...

6 Intriguing and Eye-Catching Specimens

Editor's Note: This is the latest installment of the Common Ground blog.  By Antoinette Rahn It's been a few years (Ok, it’s been decades) since I...

Dynamic Dig Discovery: Brilliant Bisbee Turquoise

Editor's Note: Enjoy this latest Dynamic Dig Discovery profile and be sure to check out the end of the article to learn how you...
Blue-tinged agate in a South Blue Bed thunder egg

Richardson’s Ranch: Endless Opportunities for Rockhounds

Story and Photos by Jim Landon Central Oregon, with its great variety of lapidary material, has been a destination for rockhounds for decades. The juniper-covered...
View of the Kremlin

Russian Lapidary: Covering the World With Gorgeous Stones

Editor's Note: This is the first in a two-part series. By Bob Jones I always wanted to go to Russia to see the Hermitage, the Fersman...
Vast Greenland Ice Surface: An Arctic Landscape Highlighting Climate Change and Glacier Melting in Summer Nature

Earth Science in the News: Ice Sheets, New Dino Discovery

By Jim Brace-Thompson Feeling Wobbly Lately? Here’s Why! While the popular imagination sees a universe that moves in perfect harmony, perfection couldn’t be further from the...

Rock & Gem Kids: Dimorphs and Polymorphs

By Darryl Powell The chemical formulas of cavansite and pentagonite are the same: Ca(VO)Si4O10 • 4H2O (hydrated calcium vanadium silicate). Why, then, do they have...
Wulfenite pocket

The Risky Business of Specimen Recovery

Story by Bob Jones More often than not, when a crystal pocket is opened during mining, it contains loose crystals that have somehow detached from...
Screening for shark teeth

Fossils of the Florida Plateau

Story by Stuart “Tate” Wilson Recently, I came across a photograph of a man with his head and two arms poking out of murky water....
Hollows left by Dickinsonia specimens in seafloor mats. Dickinsonia are species in the Ediacara biota.

Earth Science In the News: Biomarkers, Meteorites, and Geysers

Editor's Note: Enjoy this compilation of rock, gem, mineral-related news of the day. By Jim Brace-Thompson “Biomarkers” Establish One of Earth’s Earliest Animals Not so long ago,...

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