Rock & Gem - 1 Sep 2025
Sri Lanka The Gem Island
ANCIENT ROCKS OF THE ASTEROID BELT
Meramec Station Road Calcite
Volcanoes & Cider
Salt & Star Wars
Mineral Magic Show
Oregon Sunstone
Editor’s Letter
FIELD GUIDE: OREGON SUNSTONE
MERAMEC STATION ROAD CALCITE
THE AMAZING MINERAL MAGIC SHOW
SRI LANKA: THE GEM ISLAND
RETRO ROCKS: BLUE OPAL
TERROIR FIRMER
SPACE ROCKS
Parting Shot
Rock Science
Show Dates
What to Cut
FacetingFocus
R&G Kids
Earth Science News
Editor’s Letter
Tracking Our Four-Footed Ancestors
June: The Season for Weddings—and Volcanoes?
Using Obsidian to Track an Empire
Subduction Is Alive & Well on Venus
Taking the Measure of Sloths through Time
Red Amber
Birds Embraced the Arctic Almost Since Birds Began!
Improved Alerts of Offshore Earthquakes
A Fossil Mollusk? Sponge?
Is Earth Leaking from the Middle?
The Strongest Evidence Yet for Extraterrestrial Life! Or not.
Deinosuchus
Sri Lanka: The Gem Island
Sri Lanka: The Gem Island
Geuda, Heat-Treatment & Serendipity
The Amazing Mineral Magic Show
The Amazing Mineral Magic Show
Other Special Effects
Meramec Station Road Calcite
Meramec Station Road Calcite
CALCIUM CARBONATE COMMON BUT CRITICAL
TERROIR FIRMER:
TERROIR FIRMER:
ROCK & GEM FIELD GUIDE: Oregon Sunstone
ROCK & GEM FIELD GUIDE: Oregon Sunstone
PSEUDOFOS ILS
TAKE THE PSEUDO CHAL ENGE!
MOSAIC
Mossaic
DUNCAN POPPY JASPER
SPACE ROCKS
SPACE ROCKS
Earth Strike
Blue Opal
Blue Opal
SALAR DE UYUNI
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