Rock & Gem - 1 Okt 2025

Table of content - Rock & Gem (1 Okt 2025)

How Ammonites ESCAPED TIME
Crystal Skulls & Fascinating Fakes
Maribel Cave’s Haunted Past
Sulfur: A Natural History
Minerals of Transylvania
Mad Stones & Rabies Cures
STALACTITE Minerals
Editor’s Letter
MARIBEL CAVES & HOTEL
CRYSTAL SKULLS
RETRO ROCKS: STALACTITE MINERALS
FIELD GUIDE: THE MINERALS OF TRANSYLVANIA
THE BLACK PRINCE’S RUBY AND OTHER CURSED GEMS
PRESIDENT LINCOLN AND THE MAD STONES
ANCIENT AMMONITES
SULFUR 101
The Best Archaeopteryx Yet
From Waste to Rock in No Time Flat!
e World’s Oldest Rock
New Appreciation for a 35 Million-Year-Old Tsunami
Monitoring O shore Trenches in Quake-Prone Japan
Earthquake Generation
Unraveling the Evolutionary History of Squids with “Digital Fossil-Mining”
Ancient Proteins Survive Much Longer than Expected and o er new insights into rhino evolution
Kissed by a Visitor from Deep, Deep Space
Details of the Sea Floor Emerge from the Deep
Is Subduction “Infectious?”
Is Earth’s Magnetic Field Linked to Atmospheric Oxygen?
FROM THE FIRES OF HELL
FROM THE FIRES OF HELL
The “Blue Lava” of Kawah Ijen
President Lincoln AND THE MAD STONES
President Lincoln AND THE MAD STONES
Hair of the Dog
Maribel Caves & Hotel…
Maribel Caves & Hotel…
NO TRESPASSING!
Eternal Brilliance
Eternal Brilliance
Tips for High-Quality Ammolite
HOW TO NAME A DINOSAUR
COM ON GRE K & LATIN TERMS
LEARN MORE!
The Minerals of Transylvania
The Minerals of Transylvania
PENNSYLVANIA’S FOSSIL FOREST
TICK CANYON HOWLITE
Crystal Skulls
Crystal Skulls in Popular Culture
The Black Prince’s Ruby and Other Cursed Gems
The Black Prince’s Ruby and Other Cursed Gems
Stalactite Mineral Specimens
Stalactite Mineral Specimens
THE GEOLOGY OF GRAVESTONES
CHALCEDONY PSEUDOMORPH WULFENITE

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