Rock & Gem magazine

12/15/2025

Happy Mineral Monday! Getting in the festive spirit 🎄 with this watermelon tourmaline, which may be the most popular variety of tourmaline found. The name tourmaline means “stone of many colors” in Sinhalese. 📸 by Arkenstone, iRocks.com

12/14/2025

Mineral museum gifts and support make a difference. Learn how collectors can help museums with donations, contributions, and preserving amazing displays. 👉 https://www.rockngem.com/mineral-museum-gifts-how-to-help

12/13/2025

Learn how to make a fine silver sand dollar pendant using precious metal clay. A perfect beginner-friendly project for holiday gifts and more.

Precious metal clay makes it easy to create fine silver sand dollar pendants or decorations at home with simple tools and beginner-friendly steps.

12/12/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 12! 🎁 Follow the link to enter to win an Ultimate Family Rockhounding Basket from the Crystal Barista. ➡️ https://www.rockngem.com/12-days-of-giveaways/

This basket includes a signed copy of Rock On! Utah Rockhounding Guide and the signed children's book Addy's Adventures: Rock Collecting. You'll also receive a rock and mineral set, a sturdy rock hammer, head magnifiers, a 365nm UV light and a UV-reactive mineral set.

12/11/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 11! 🎁 Follow the link to enter to win a $250 Gift Card for MineralAuctions.com. ➡️ https://www.rockngem.com/12-days-of-giveaways/

Here's your chance to score stunning crystals, rare minerals and collector pieces! Browse and bid on hundreds of specimens every week - most starting at just $10. Gift card valid through 12/31/26.

12/10/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 10! 🎁 Follow the link to enter to win a Herkimer Diamond Black Stem Scepter from Diamond Mountain Mining, LTD. ➡️ https://www.rockngem.com/12-days-of-giveaways/

Black stem scepters are one of Diamond Mountain's specialties and are the rarest of all Herkimer diamond forms. This gorgeous scepter specimen showcases smoky coloration and skeletal features. The prize also includes a display stand. A $500 value!

12/09/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 9! 🎁 Follow the link to enter to win Wilderness Dig admission for two adults at Diamond Mountain Mining, LTD in New York. ➡️ https://www.rockngem.com/12-days-of-giveaways/

Mine for Herkimer diamond (quartz) crystals at Diamond Mountain's forest dig site, Crystal Ridge. Hard rock mining and dirt digging options are available. All experience levels welcome. The area boasts classic doubly terminated gems plus rare "black diamonds," skeletals, black stem scepters and barbells. Keep what you find! Valid until December 2026.

12/08/2025

Have you entered to win this engrossing Mineral Matching Game by Studio Mineralia today? Bonus: It also comes with a Honey Agate display piece! 💎 Entries close tonight at 11:30 p.m.! 🎁👉 https://www.rockngem.com/12-days-of-giveaways/

12/08/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 8! 🎁 Follow the link to enter to win a Mineral Matching Memory Card game and a Honey Agate from Studio Mineralia. ➡️ https://www.rockngem.com/12-days-of-giveaways/

This two-part prize is perfect for collectors of all ages! First, turn a classic concentration game into a geological adventure. Then, add a touch of natural beauty to your home with this striking display piece.

12/07/2025

Have you entered yet to win this beautiful faceted rutilated quartz by Hashnu Stones & Gems? 💎 Entries close tonight at 11:30 p.m.!🎁👉 https://www.rockngem.com/12-days-of-giveaways/

12/07/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 7! 🎁 Follow the link to enter to win a faceted rutilated quartz gemstone by Hashnu Stones & Gems. ➡️ https://www.rockngem.com/12-days-of-giveaways/

This Christmas tree-shaped smoky quartz gemstone is filled with shimmering bronze rutile that look just like tree branches. This one-of-a-kind gem weighs 181 cts and measures 44 x 26mm with beautiful facets.

12/06/2025

🎁 12 DAYS OF GIVEAWAYS - DAY 6! 🎁 Follow the link to enter to win a LORTONE 4-Step Polish Kit from Covington Engineering. ➡️ https://www.rockngem.com/12-days-of-giveaways/

This is the perfect starter set for new tumblers; everything you need to turn raw rocks into gleaming gems! This kit includes a reliable Model 3A tumbler, a LORTONE 4-Step Polish kit, plastic pellets, rough stones and a clear, easy-to-follow instruction booklet.