Rock & Gem - 1 Dez 2022

Table of content - Rock & Gem (1 Dez 2022)

THE PLEASURES AND PERILS OF COMPETITIVE EXHIBITING
ROCK & GEM FIELD GUIDE: BARITE
ULTIMATE GIFT GUIDE FOR ROCKHOUNDS
THE REIGN OF COPPER IN BUTTE, MT
RV ROCKHOUNDING:
BUSINESS PROFILE: PAIL TREASURES!
COLORTHERAPY GEMSTONES
THE SILVER OF POTOSÍ
Editor’s Letter
SIXSAILS GROUP
“THE SPANISH STONEHENGE” RESURFACES
Using Deep Learning to View the Rich Data of Seismology
Earth’s Crust and the Milky Way
Want a Dino?
Did Dinos Die From a One-Two-Three Punch?
AFRICA’S OLDEST DINO
Detecting Earthquakes from Above Both Here —and on Venus?
Whither the Koh-i-Noor Diamond?
When Did We Become Warm-Blooded?
A New Member of the Human Family Tree?
e Webb Space Telescope It’s Not Just for the Stars!
e Chimeric Dream to Forecast Volcanic Eruptions
ULTIMATE Gift Guide FOR ROCKHOUNDS
Bonus: Stocking Stu ers
The Pleasures and Perils of Competitive Exhibiting
Takeaways for Administrators:
What Comments Are Helpful—or Not
Takeaways for Judges:
Takeaways for Exhibitors:
RV Rockhounding
RV Rockhounding
5 Tips for Rock Business Success
PAIL Treasures !
ROCK & GEM FIELD GUIDE: Barite
NIPOMO MARCASITE
CURVED RIDGES & SHAPED TIPS
THE REIGN OF COPPER When Butte, Montana, was the Richest Hill on Earth
The Silver of POTOSÍ
COLOR THERAPY Gemstones
Color- Therapy Gemstones
Color erapy roughout History
THE MAGIC OF MARBLE
THE MAGIC OF MARBLE
Volcanoes and Emeralds
DYNAMIC BASALT MATRIX

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