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The Meaning of Mariposite
By Thomas Farley
Mariposite? I was not familiar with it until a few years ago, when I got a call for help with ranch sitting...
Issue Highlights: October 2019 Issue
Below is a snapshot of some of the topics and interests you can expect to see in the pages of the October 2019 issue...
Sharpening Your Best Tool: Your Brain
By Antoinette Rahn
It’s possible Dr. Seuss summed it up best when he penned the memorable phrase, “The more that you read, the more things...
Bench Tips: Following the Pattern
By Bob Rush
After cleaning the sludge from my 18” saw I got back to slabbing some older pieces of Brazilian Agate that had been...
Zeolite Minerals: Chabazite
By Jim Brace-Thompson
Chabazite (sodium calcium aluminosilicate hydrate) has translucent cube-like pseudo-rhombohedral crystals that often are penetration-twinned and that may be colorless, white, or shades...
Specimens from Storied Collection Coming to Auction
By Antoinette Rahn
More than 300 specimens from the extensive collection of the late Rock H. Currier will come to auction Aug. 26, in a...
What to Cut: Arizona Starburst Obsidian
By Russ Kaniuth
Starburst obsidian is one of those surprise stones of a few years ago—it become one of the biggest fan favorites overnight. By...
Just Off the Wheels: Laura Hiser
By Erin Dana Balzrette
It is only recently that I have been fortunate enough to get to know Laura Hiser. She is an outstanding artist,...
Earth Science In the News: Yellowstone Geyser Activity
By Jim Brace-Thompson
Yellowstone’s Steamboat Geyser Paddles into High Gear
In the Norris Geyser Basin of Yellowstone National Park (USA), Steamboat Geyser is the biggest geyser....
Rock-Centered Meal Plans
Story and Photos by Donna Albrecht
Have you ever seen a beautiful rock that resembled food and thought, “That looks yummy”? Well, that’s the idea...
