February 2012

The 2012 Tucson Gem & Mineral Society Show showcases the best of Arizona minerals in celebration of the state’s centennial. This leadhillite comes from the Mammoth-St. Anthony mine at Tiger. (Jeff Scovil photo/Dan Weinrich Minerals specimen)







The 2012 Tucson Gem Shows
20 tips to help you maximize your experience
by Helen Serras-Herman

Arizona: America’s Richest Mineral Province
Part III: It’s known for fine examples of rare species
by Bob Jones

Arizona’s Mission Copper Mine
A great side trip from the Tucson Show
by Steve Voynick

Rock & Gem Kids
Kid-size articles, puzzles and prizes

Collecting in Arizona
Part III: The supply of specimens is endless
by Bob Jones

The Hector Carrillo Family
The human story behind Mexican lapidary treasures
by Brad L. Cross


Picks & Pans
Museum exhibits, book reviews, hobby news

Lapidary of the Month
Precious metal clay pendant
by Carl Rundle

Show Dates
Mark your calendar!

Shop Talk
Vacdop Revisited
by William A. Kappele

Rock Science
Palladium, Platinum, and the Stillwater Complex
by Steve Voynick

Off the Dop
Tilt Angle Windowing vs. Tilt Angle  Brilliance
by Jim Perkins

Many Facets
DJG OMNI Square Cushion
by David Groncki

On the Rocks
Tucson Show Features Arizona's Best Minerals
by Bob Jones

Field Notes
Reader letters

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