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Rock&Gem Magazine

ULTIMATE Gift Guide FOR ROCKHOUNDS

What to Buy for the Rock Lover in Your Life

8 min |

December 2022

Rock&Gem Magazine

The Webb Space Telescope It's Not Just for the Stars!

Fanfare surrounding the new Webb Space Telescope focuses on spectacular images from the far reaches of the universe. But Webb also has provided revealing looks at the sister planets within our own solar system.

1 min |

December 2022

Rock&Gem Magazine

The Chimeric Dream to Forecast Volcanic Eruptions

It has been a dream to accurately forecast a violent volcanic eruption long in advance. To some, it's a chimeric dream that will never produce concrete results.

1 min |

December 2022

Rock&Gem Magazine

When Did We Become Warm-Blooded?

A New Technique Explores the Question

1 min |

December 2022

Rock&Gem Magazine

A New Member of the Human Family Tree?

Although beginning with a common ancestor, humans and chimps parted ways long ago, with humans walking upright and chimps remaining as knuckle-walkers.

1 min |

December 2022

Rock&Gem Magazine

Whither the Koh-i-Noor Diamond?

It's the stuff of legend! The 105-carat Koh-i-Noor is an oval diamond so big and brilliant its Persian name translates as \"Mountain of Light.\"

1 min |

December 2022

Rock&Gem Magazine

Detecting Earthquakes from Above Both Here - and on Venus?

When we think of earthquake monitoring, we think of ground-based networks of seismometers, ground-hugging fiber-optic cables, and similar ground-based systems. After all, if trying to detect rumblings within the ground, shouldn't we hug the ground? Well, not necessarily per an article in Geophysical Research Letters.

1 min |

December 2022

Rock&Gem Magazine

AFRICA’S OLDEST DINO

The skeleton is nearly complete and, depending on the report, it's been described as the size of a collie dog, an emu, or a Shetland pony at about three feet tall and six feet long. Say hello to Africa's oldest dinosaur, Mbiresaurus raathi!

1 min |

December 2022

Rock&Gem Magazine

Did Dinos Die From a One-Two-Three Punch?

It has been widely accepted that a giant asteroid from space struck the area of Chicxulub on Mexico's Yucatan Peninsula and unleashed worldwide chaos that ultimately doomed the nonavian dinosaurs to extinction. Now it appears that asteroid had a sister-or two.

1 min |

December 2022

Rock&Gem Magazine

Earth’s Crust and the Milky Way

In attempting to explain earthly phenomena, geologists tend to look downward at Earth itself. It now appears they need to shift their gaze skyward.

1 min |

December 2022

Rock&Gem Magazine

Want a Dino? Search Your Own Backyard!

When a man in Monte Agudo, Pombal in Portugal dug into his backyard garden in 2017, he found much more than a soup bone buried by the dog. He stumbled across giant ribs of what is believed to be a brachiosaurid.

1 min |

December 2022

Rock&Gem Magazine

Using Deep Learning to View the Rich Data of Seismology

Seismology is a data-rich science. Vast arrays employing thousands of sensors continuously sample and monitor for seismic waves and motion. Sampling rates can involve 100 points per second.

1 min |

December 2022

Rock&Gem Magazine

“THE SPANISH STONEHENGE” RESURFACES And a New One Is Found!

The Iberian Peninsula is in severe drought, drier than it's been for 1,200 years. Although that is bad news, it has been a boon for scientists. As a reservoir has shrunk to record low levels, a prehistoric monument of about 100 rocks has resurfaced, rocks arranged in a stone circle not so different from England's famed Stonehenge.

1 min |

December 2022

Rock&Gem Magazine

DON'T GET Fooled While Gold PANNING

A Guide to Know What's What

6 min |

October 2022

Rock&Gem Magazine

CHOOSING THE RIGHT Crystal FOR YOUR Sun Sign

Although they come from the earth, many believe there is a connection between crystals and the stars.

6 min |

October 2022

Rock&Gem Magazine

HALITE: PASS THE SALT

We've all said "pass the salt" at the dinner table.

3 min |

October 2022

Rock&Gem Magazine

Desert Animals

I've lived most of my life in the Arizona Desert, a wonderful place for a rock hound to enjoy his hobby.

5 min |

October 2022

Rock&Gem Magazine

THE OTHER STONEHENGES...

Stonehenge, arguably the most famous deliberately, yet mysteriously, placed arrangement of stones, has been a source of awe throughout recorded history.

5 min |

October 2022

Rock&Gem Magazine

ROCK & GEM BUSINESS PROFILE: DOWN TO EARTH OPALS

It's hard to think of opals without thinking of Australia.

4 min |

October 2022

Rock&Gem Magazine

SERAPHINITE

Seraphinite is a form of clinochlore, a member of the S chlorite group.

2 min |

October 2022

Rock&Gem Magazine

Memento Mori

HERKIMER DIAMONDS & CRYSTAL HEAD VODKA

5 min |

October 2022

Rock&Gem Magazine

DIGGING FOR DINOSAURS

Exploring Montana's Dinosaur Trail

6 min |

October 2022

Rock&Gem Magazine

HANDLE with CARE!

Radioactive Rocks and Minerals

6 min |

October 2022

Rock&Gem Magazine

Easy Pickins' at Australia's Agate Creek

As a member of a few Australian Facebook fossicking (rockhounding) groups, I had been seeing photos of an amazing variety of cut and polished agates posted by people who had found them at Agate Creek.

9 min |

September 2021

Rock&Gem Magazine

Shakespeare's Gemstones

Elizabethan Gems; Literal and Literary

10 min |

September 2021

Rock&Gem Magazine

MINERALS TO BEWARE OF Myrickite

Some venomous snakes and stinging wasps and bees advertise their dangerous nature with bold red, yellow, and orange colors that seem to say, “Stay away!”

2 min |