Rock & Gem Magazine

UV Rocks: A Guide to Fluorescent Minerals

Admin - August 17, 2026

boulder opals from australia illustrate the beautiful colors that come form how is opal formed

How Is Opal Formed? The Science Behind Its Colors

Under UV light, an otherwise drab rock colorfully glows from within because of its fluorescent mineral properties

Mineral Properties That Seem Like Magic

Montana’s Dryhead fluorescent agate shows a dramatic color shift when short-wave UV light excites the uranyl ions.

Fluorescent Agate: Why Some Agates Glow Under UV Light

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Fluorescent Agate: Why Some Agates Glow Under UV Light

Admin - August 20, 2026

A fluorescent agate offers collectors a hidden bonus: It glows under ultraviolet light. Agates are considered a “gateway rock” in the collecting world because...

Mineral Properties That Seem Like Magic

August 19, 2026

How Is Opal Formed? The Science Behind Its Colors

August 17, 2026

UV Rocks: A Guide to Fluorescent Minerals

August 17, 2026

Vesta, an asteroid included in the notable asteroid space rocks

Asteroid Belt Rocks: Clues to Earth’s Formation

August 12, 2026

Yooperlites: What & Where to Find Them

Admin - June 10, 2026

Yooperlites are fluorescent sodalite-bearing rocks found along the shores of the Great Lakes in Michigan’s Upper Peninsula and along Lake Superior. Collecting fluorescent rocks has...

8 Rocks Found on Lake Michigan Beaches

Admin - June 10, 2026

Lake Michigan beaches are home to the nation’s longest freshwater coastline (3,288 linear miles). Michigan is surrounded by four of the five Great Lakes...

9 Types of Inclusions in Quartz

June 2, 2026

How to Identify Quartz Crystals

June 2, 2026

Show Dates

7-10—FAIRPLAY, COLORADO:

Annual show; Jay Penn; 1/2 mile south of US 285 Rt. 9, Platte Dr., near Fairplay Beach; Thu. 9-5, Fri. 9-5, Sat. 9-5, Sun. 9-4; free admission; dealers, gems, minerals, slabs, rough, jewelry, beads, cabochons, fossils, equipment; contact Jay Penn, 2324 Alvarado NE, Albuquerque, NM 87110, (505) 883-4195; Email: jaypenn246@gmail.com; Website: https://abqfallshow.wixsite.com/fairplay

8-10—CARTERSVILLE, GEORGIA:

Annual show; Damian w/ Bellpoint Promotions; Clarence Brown Conference Center, 5450 State Route 20; Fri. 10-6, Sat. 10-6, Sun. 10-5; admission $5, children under 16 free; gem, mineral, jewelry, fossil, bead and metaphysical dealers selling their spectacular finds from all over the globe; contact Damian Belgali, (770) 386-1608; Email: mbellpoint@gmail.com; Website: www.bellpointpromotions.com

8-10—PARK HILLS, MISSOURI:

Annual show; Mineral Area Gem Mineral Society; Missouri Mines Historic Site, 4000 State Hwy 32; Fri. 9-6, Sat. 9-6, Sun. 9-4; free admission; Missouri Mines Historic Site and Museum will be open and free to the public for this event, free parking, demonstrations, silent auctions; contact Boneta Hensley, 411 Allen Street, Farmington, MO 63640, (573) 760-0488; Email: mojellybean63@yahoo.com; Website: https://www.facebook.com/groups/1249800061698210/

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