What are Yooperlites? These fluorescent sodalite rocks are found along the shores of the Great Lakes and are especially popular in the Upper Peninsula...
How do agates form? With so many variables including temperature, pressure and chemistry that can influence silicon dioxide as it forms, we may never...
By Jim Brace-Thompson
Editor’s Note: Please enjoy this unique vocabulary lesson via our R&G Kids column.
Mineralogists have a habit of taking a simple concept and...
By Antoinette Rahn
From the Editor: We are connecting with our regular advertisers during this time of self-quarantine in response to the COVID-19 pandemic, to...
By Thomas Farley
Editor's Note: Thomas Farley, life-long rockhound, author, prolific blogger (www.southwestrockhounding), graciously agreed to share his observations, experiences, and photos of the time...
By Bob Jones
It’s happened! Agates are finally receiving the recognition in the crystallized mineral community they deserve.
Fine agates are appearing more and more at...