Tag: feldspar
The Spruce Pine, NC Mining District
The Spruce Pine, NC, Mining District is a world-class mineral deposit that produces the minerals used in everyday life that we don't always think...
Issue Highlights: October 2020
Below is a snapshot of some of the topics and interests you can expect to see in the pages of the October 2020 issue...
The Sometimes-Forgotten Feldspars
By Steve Voynick
It is sometimes easy to forget such common rock-forming minerals as the feldspars. But this group of 20 closely related species deserves...
Maine Mineral Attraction: Dig Maine Gems
ADVERTORIAL
By Antoinette Rahn
Zoltan and Jody Matolcsy, owners of Dig Maine Gems (Main Mineral Adventures), have been rockhounds for as long as either of them...
Astrophyllite Boasts Uncommon Stellate Patterns
By Jim Brace-Thompson
Astrophyllite is one mineral that certainly lives up to its name. “Astrophyllite” is a combination of the Greek words astron (star) and phyllon...
What to Cut: Labradorite
By Russ Kaniuth
Labradorite was first discovered on Paul’s Island (Paul Island, Isle of Paul) in Labrador, Canada, which is its namesake. Although discovered in...
Exploring Unakite
By Jim Brace-Thompson
Unakite is metamorphosed granite that has been altered by undergoing what is called “epidotization”; therefore, it is sometimes called “epidotized granite”. Granite...
Colorado’s Great Sand Dunes
Story and Photos by Steve Voynick
The American Southwest has the greatest concentration of sand dunes on the North American continent, with more than two...
