OBSIDIAN 101

EDITOR’S LETTER

As November unofficially welcomes winter, it’s a great

The Earliest Animal on Earth?

It’s believed that life has existed on Earth

Electric Volcanoes?

Bolts of lightning have long been observed flashing

Mars Vs. Earth

ALL PHOTOS COURTESY OF GETTY IMAGES Within our

POLAR DINOS ENDURED AND THRIVED IN THE ARCTIC

Sure, we’re all familiar with today’s polar bears,

Stretching the Bounds of Early Life on Earth

Archaea are single-celled critters that lack nuclei, have

As Ice Melts, the Crust Moves

We know that when immense glacial ice melts,

Longer Days May Not Be All That Bad

Earth scientists note that early Earth spun faster

WANDERING ELEPHANTS!

The cover story of the August 13, 2021,

DIGGING FOR FISH WITH A HAMMER & CHISEL

A crocodile tooth from the Kchodl Collection. “In

What is the Difference Between Mother-of-Pearl and Abalone?

The interior of a marine mollusk called abalone

An Arizona Rock Shop Treasure

The Sunshine Gallery and Gifts 1313 N. Hwy

GLACIER ICE AGATE

“Once you have finished cutting your slabs, the

HOW TO MAKE THE MOST OF MILK Y CHALCEDONY

You may be wondering what is white chalcedony?

CARNOTITE USES MAKE IT THE “TRIPLE” ORE

Carnotite is a secondary mineral that occurs as

Show Dates

TO VIEW LATER CALENDAR DATES VISIT OUR SITE

“Snowball” Geode

ROCKS, MINERALS AND JEWELRY

HUNTING BOLEY AGATE

Finding These Collectible Stones in the Vamoosa Formation

HOW TO TAKE GOOD PICTURES OF SMALL OBJECTS

Aragonite Crystal Cluster Flourite Halite Cleavage Fragments Quartz

How Jasper Varieties are Formed

Jasper varieties are found all over the world and it is one of the more colorful and varied lapidary stones. It’s found in a wide range of colors and forms including banded, orbicular brecciated, curving and swirling. Since jasper varieties are found so widely, many are named after the location of discovery

MEXICO PART I

These days it is not wise to go

A GUIDE TO THE CARNEGIE MUSEUM OF NATURAL HISTORY

Originally funded by Andrew Carnegie and opened to the public in 1895, the Carnegie Museum of Natural History (CMNH) is one of the four Carnegie Museums in Pittsburgh and is one of the top natural history museums in the country. With over 20 exhibitions including Native American, Ancient Egypt, the Benedum Hall of Geology and the working paleontological lab, there’s something for everyone

GYPSUM IN-DEPTH

Exploring Gypsum and Its Many Uses