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Gemstones of the Bible: Anthrax, Sappheiros, Iaspis

Editor's Note: This is one aspect of the article "Gemstones of the Breastplate," Enjoy the introduction >>>. Plus, search our site for additional "Gemstones of the...

Minerals & Metals of the Bible (Part II)

Editor's Note: This is the second in a two-part series. Enjoy the first part >>> By Steve Voynick THE Bible makes many general references to “precious...
Pistachio green epidote

Eye on Epidote

By Jim Brace-Thompson Calcium aluminum iron sorosilicate Ca2Al2(Fe3+, Al)Si3O12(OH) Epidote is one terrific silicate mineral for display. It produces well-formed prismatic crystals that are long, slender, striated...

Issue Highlights: February 2019

Below is a snapshot of some of the topics and interests you can expect to see in the pages of the February 2019 issue...
Blue aquamarine beryl

Rock Science: The Colors of Beryl

By Steve Voynick The gemstones emerald, aquamarine, morganite and heliodor, despite their different, respective green, blue, pink and golden-yellow colors, have one thing in common:...

In awe of inspiring interaction

In the course of helping put together the September issue of Rock & Gem magazine, my first as a member of the editorial team,...

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