If so, those specimens probably have baked-in dirt, grime, desert varnish, or encrustations from moss and lichens. Scrub as much as you may with a toothbrush and pick away with a dental pick, yet grime remains lodged within cracks and crevices of mineral and crystal structures. What to do?
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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.
GEORGIUS AGRICOLA'S: DE RE METALLICA
465 Years Old and Still Relevant
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.
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).
COMMON, BUT NOT CONVENTIONAL
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.
HUNTING FOR THUNDEREGGS
Uncovering A “Ghost” Volcano’s Treasures
GALENA’S GIFT OF A STUNNING SECONDARY MINERAL
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.
Captivated By Copper
Soldiers’ Discovery Leads to a Century of Mining at Pearl Handle Open Pit
American Dipper: a swimming and singing songbird
If you walk along a mountain stream almost anywhere in the western United States, you may see a uniformly gray bird standing on a rock near a riffle or rapid in the middle of the river.
Soured on Pickles
IT STUCK TO the bar of soap in the bathtub, so you didn’t want to wash with it.
Evie Zimmer uses her background in representational art to paint detailed abstractions that combine color and shapes
PROTECT YOUR NUTS!!! Get Your Balls in Gear
There is one defensive measure that men universally master – protecting one’s nuts.
Remembrance & a Sacred Earth
LLEWELLYN VAUGHAN-LEE mourns our forgetting of our connection with the Earth, inviting us once more to remember, reconnect and rekindle the sacredness of that relationship in our lives.
THE WELLNESS WARRIOR
FORMER TRACK ATHLETE AND LONGTIME YOGI KOYA WEBB SHARES THE TWISTS, TURNS, INJURIES AND BREAKTHROUGHS THAT HAVE SHAPED HER CAREER AND HER LIFE.
THE BENEFITS OF DOING NOTHING
Every day in the modern world poses an increasing number of problems and opportunities in our lives. There are so many existing and new oppor-threats, that we simply don’t have enough time to address them all. We are all busy, and if we slow down for even a second, we feel guilty because “there is so much to do.” But if you stop for an interval of time and do nothing, you might find it has its benefits.
THE FACE OF DIPLODOCUS: Nostril Placement in Sauropod Dinosaurs
In writing and illustrating our 2016 Johns Hopkins University Press book, The Sauropod Dinosaurs: Life in the Age of Giants, my coauthor Matthew J. Wedel and I sought to explain the most current ideas about the paleobiology and ecology of this enigmatic dinosaur group.
A Crash Course on Anti-Racism
A New York Pilates teacher and activist’s webinar on bigotry and bias garners an overwhelming response.
3 Moves to Try
Pros like Jill Miller swear by self- myofascial release that homes in on specific—and often overlooked— areas. Here, a few of her go-to moves.