Rock & Gem magazine

11/01/2025

Phosphophyllite partially surrounded by matrix. From Unificada Mine, Potosi, Bolivia. (3.8 x 2.5 x 2.3 cm) 📸 by Luciana Barbosa

10/31/2025

🎃 HAPPY HALLOWEEN! 👻

Chalcedony-pseudomorph Wulfenite crystals with layers of sparkling chalcedony. Hints of vanadinite add highlights of red, while the chalcedony coating the wulfenite creates a white border.

🖤 Finch/Barking Spider Mine, Arizona.
📸 by Jonathan Stone for Studio Mineralia Earth Art Gallery

10/30/2025

🦇🖤 Just in time for Halloween, meet the minerals of Transylvania...

Transylvania minerals offer a fascinating mix of gold, crystals, and rare gems, from Apuseni gold mines to fluorescent fluorite in the Carpathians.

10/29/2025

Who has this costume? 🎃💎👻

10/28/2025

🎃 Be sure to take advantage of this spooky good deal! 🖤
Sale link in bio👉 https://www.rockngem.com/halloween/?ref=SO9RGS25

10/27/2025

Continuing our spooky rocks, meet phantom quartz, otherwise known as a crystal within a crystal. 👻 This quartz forms when crystals developing within mineral solutions sometimes stop growing and then grow again later. In between, other minerals may get deposited on a crystal face. These leave spooky zones of different colors within the quartz, including blood red, which comes from the iron mineral hematite. 📸 by Jim Brace-Thompson

10/26/2025

Zinc headstones, or “zinkers,” are 19th-century white bronze monuments that outlasted marble and granite. Discover their history and haunting beauty.

10/25/2025

Here’s how a special feature within a plume agate slab turned this cabochon into a jack-o'-lantern that's perfect for a rockhound during spooky season.

A jack-o'-lantern is fun at Halloween and any time of year. Here's how I turned a special feature within a plume agate slab into a cabochon for spooky season.

10/24/2025

Perfect cabs for Halloween! 👻🎃

Howlite from Tick Canyon is a beautiful white mineral. Discover its origins, history, how to identify genuine stones, and tips for cutting and polishing.

10/23/2025

Concrete City is a haunting ghost town in Nanticoke, Pennsylvania, built for coal miners in 1911. Abandoned by 1924, its decaying concrete buildings remain.

10/22/2025

Stonehenge mysteries—from its Neolithic origins to its purpose as temple, observatory, and sacred site—still inspire wonder today. Explore these ancient rocks.

10/21/2025

Oregon Sunstone takes on new life in the Spellbound faceting design, a modern pattern that uses frosted facets to add depth and intrigue.