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What to Cut: Blue Apatite

By Russ Kaniuth Apatite comes in an array of color variations from all over the world, but the most sought out in lapidary is the...
GemCuttingDemo

Making Maine Memories in May

By Bob Jones May is going to be a wonderful month in the state of Maine and I will be directly involved. The new Maine Mineral...
Reverse intaglio carved cab

A Glass Buttes Obsidian Collaboration

By Bob Rush In a continuation of writing about Glass Buttes Mahogany Obsidian (the first article was published in the March 2019 issue), this column...
Eclogite

Eclogite: A Visitor from Down Deep

By Jim Brace-Thompson Eclogite is a metamorphic rock. That is, it originally started as something else and was transformed by heat and pressure. In the...
Conchoidal fracture in obsidian resembles

Weird Words: Conchoidal

By Jim Brace-Thompson Conchoidal is not only a weird geological term, it is also vitally important in terms of developments that led to human survival. In...

Earth Science in the News: Volcanoes, Earthquakes, and Fossils

By Jim Brace-Thompson What To Do When Volcanoes Threaten Us All? Volcanic eruptions can wreak havoc not just locally but globally. For instance, the 1991 eruption...
Student-produced cabochons

Sharing a Passion for Rockhounding (Part II)

By John Speck As I discussed in the first part of this series (published in the March 2019 issue) the process of transforming the idea...

Collectors’ Corner: Fueling a Lifelong Passion

By Antoinette Rahn It’s fascinating how little time in life is spent in youth and yet so many of the experiences and memories of those...

Just Off the Wheels: Carl F.T. Harris

By Erin Dana Balzrette Carl F.T. Harris shows impeccable taste in materials with his Wingate Pass Plume Agate! Quick witted, and fearless about his crazy...
Dark matrix Vanadinite specimen

The Story of Vanadinite

By Bob Jones One of the more attractive and popular lead minerals is vanadinite, a lead chloro-vanadate. Vanadinite as a collector mineral has been around for...

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