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Earth Science In the News: Dating the Oldest Crater on Earth
By Jim Brace-Thompson
No. I’m not suggesting you take a big old hole in the ground out for a round of drinks and romance. Rather,...
Parting Shot: Aurichalcite
A natural brass ore, this mineral commonly appears in a distinct shade of light blue, blue-green, or sky-blue. It also often appears as needle-like...
Rock Science: Marcasite
By Steve Voynick
Mention iron disulfide and the mineral that comes to mind is pyrite. And well it should, for pyrite, widely collected and the...
Synthesizing Precious Metals
By Mark Leatherman
Gold, silver, and platinum. The big three of the precious metals realm. They are rare, beautiful, expensive, and typically smaller-sized specimens are...
Club Spotlight: Victor Valley Gem and Mineral Club (VVGMC)
By Antoinette Rahn
What do a 108-year-old person and an eight-year-old have in common? Quite a lot, if you ask the members of the Victor...
The Road Report: In the Studio with Wolfgang Vaatz
By Helen Serras-Herman
As you read this, many, including myself and my husband, are in Tucson for the famous annual international gem shows that take...
Earth Science In the News: A Hum Foretells a New Volcano?
By Jim Brace-Thompson
Deep within the Indian Ocean, scientists worldwide detected a so-called “seismic hum.”
A recent study suggests the mysterious hum was linked to a...
Just Off the Wheels: Ray Pohlkotte
By Erin Dana Balzrette
Amazing talent, with a wealth of knowledge, all matched with a wonderful sense of humor, makes chatting with Ray truly an...
Faceting Focus: Reveling in Fire Engine Garnet
By Antoinette Rahn
A new year brings many things to the forefront, including the January birthstone: garnet. The striking beauty of this stone is equaled...
Issue Highlights: March 2020
Below is a snapshot of some of the topics and interests you can expect to see in the pages of the March 2020 issue...

















