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Hemimorphite: A Lapidary Guide
Hemimorphite can be found all around the world, predominantly surrounding zinc mines. For many years, hemimorphite and smithsonite were believed to be one in...
Dyed Hemimorphite Crystal: Spotting Fakes
Hemimorphite crystal collectors need to be aware of a growing problem in the mineral hobby: fake or dyed specimens. While hemimorphite crystals are prized...
Smithsonite, Smithson & the Smithsonian
Smithsonite, or zinc carbonate, is a favorite among mineral collectors for its range of pleasing colors and often well-developed, botryoidal crystal habit. Most collectors...
Calamine: Beyond An Anti-Itch Mineral
Calamine, a mineral blend of zinc carbonate and silicate, is often thought of in summer when we grab some lotion to treat itchy skin,...
How to Make a Jack-O’-Lantern Cabochon
A jack-o'-lantern is fun for Halloween, and really, any time of year. Here's how I turned a special feature within a plume agate slab...
Transylvania Minerals: Gothic Beauty
Transylvania and its minerals offer a little something for every rockhound, whether you’re in it for science, beauty, spooky stories, or all of it....
Alien Eye Fluorite Field Guide
Alien eye fluorite is a variety of fluorite that’s become a cult favorite among collectors. Black outer zones surround intense, emerald-green-colored diamond shapes at...
Zinc Headstones: The Legacy of Zinkers
Zinc headstones, also known as “zinkers,” may look like stone at first glance, but their bluish-grey shimmer gives away their secret—they’re made of 99%...
Stonehenge & Its Enduring Mysteries
Stonehenge leaves many visitors convinced that the place is haunted. Some say that’s because Stonehenge is set amid a vast Neolithic burial ground. But...
Tick Canyon Howlite: From Waste to Gem
Howlite was first discovered in Nova Scotia in 1868 by Henry How. He originally named the stone silicoboro-calcite, which was eventually renamed howlite in...
