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By Steve Voynick The word “nickel” is a homonym with two distinct meanings. It refers to both our five-cent coin and an element. Everyone is...

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Danburite is a calcium boron silicate mineral classified as a tectosilicate within the orthorhombic crystal system. Now, that’s a mouthful! In short, it is...

Below is a snapshot of some of the topics and interests you can expect to see in the pages of the August 2021 issue...

By Jim Brace-Thompson A newly discovered crystal has been dated at 76 years old. I’d wager it’s pretty unusual for a geologist to say with...

By Jim Brace-Thompson Immense ice sheets have long covered Greenland and Antarctica, tying up water and giving us enticing vacation spots like the low-lying Florida...

By Jim Brace-Thompson One enjoyable form of lapidary arts is carving. I’m not talking about a sculpture of the sort that Michelangelo crafted from 10-...

By Antoinette Rahn Resilient, passionate, giving, and camaraderie describe the spirit of the Paradise Gem & Mineral Club member. Resiliency is a significant factor in the...

Editor’s Note: As part of our year-long 50th Anniversary celebration we will feature Q&A’s with regular Rock & Gem contributors and others in the...

By Jim Brace-Thompson “We noticed the intense smell of rotten eggs when we crushed them.” So said geobiologist Helge Mißbach (University of Cologne, Germany). Mißbach...