In dieser Angelegenheit

February 2021

CERUSSITE

GALENA’S GIFT OF A STUNNING SECONDARY MINERAL

7 mins

Scientists Looking at a Possibly Undetected Volcano in Alaska

Is there a previously undiscovered volcano within Alaska’s Aleutian chain of islands? A team of scientists recently presented their findings surrounding this possibility during a meeting of the American Geophysical Union (AGU).

3 mins

Trisparkle 12 Design Marks New Approach

I want to thank Jim Perkins for his many years of providing outstanding faceting designs for the Rock & Gem readership.

2 mins

GEORGIUS AGRICOLA'S: DE RE METALLICA

465 Years Old and Still Relevant

10+ mins

HUNTING FOR THUNDEREGGS

Uncovering A “Ghost” Volcano’s Treasures

7 mins

ROOSEVELT DAM AGATE: A Gem Loaded with History

The Roosevelt Dam agate is a very limited-occurrence lapidary material, uncovered during the excavation of the Theodore Roosevelt Dam in Arizona, hence the obvious name of Roosevelt Dam agate.

4 mins

Captivated By Copper

Soldiers’ Discovery Leads to a Century of Mining at Pearl Handle Open Pit

7 mins

QUARTZ

COMMON, BUT NOT CONVENTIONAL

8 mins

Discovering the Splendor of SLAG

A pile of slag remaining from copper smelting operations of 1930s Cottonwood, Arizona is one area of focus for Minerals Research, Inc. (MRI), the company pursuing a 15-20 year process to remove the pile using innovative recovery technology.

10 mins

Anxiously Awaiting a New Museum Opening

With the year 2021 upon us, Arizona collectors are certainly excited about the pending May opening of the University of Arizona Alfie Norville Gem & Mineral Museum in downtown Tucson. Of course, the excitement extends beyond the border of Arizona and to far reaching locales around the globe.

7 mins

Lesen Sie alle Geschichten von Rock&Gem Magazine

Rock&Gem Magazine Description:

Rock & Gem has been the leading magazine for the lapidary and mineral hobbyist. Not a trade journal and not a scientific dissertation, it speaks to the average rock hound, providing just the right blend of entertainment and satisfying information. Armchair hobbyists and diehard diggers alike will find something to enjoy in each issue.

Lifetime hobbyist and Carnegie Award winner Bob Jones heads up a group of experienced and knowledgeable contributors. Bob’s light - hearted style brings readability to in-depth articles on minerals, classic deposits, and collecting trends. His Frugal Collector series helps collectors learn to identify mineral bargains, and his affiliation with the Tucson Gem & Mineral Society provides a behind-the-scenes look at the year’s biggest and best mineral show and sneak previews of the show’s theme and featured exhibits.