December 2012

ON THE COVER
Fire agate is one of the “other agates” that are popular with lapidaries and mineral collectors. This 10-carat piece of rare Deer Creek, Arizona, fire agate displays a purple bubble formation. (Tom Shearer photo/Mark Anderson collection)

 

 

 

 

 

FEATURES

The Other Agates
Fire, eyes and dendrites characterize these lapidary favorites
by Bob Jones

The Mineralogy of Glass
From basic components to coloring agents
by Lori Carter

Swapping Rocks
Use what you’ve got to get what you want
by Ed Winbourne

Sphalerite
A valuable zinc ore and facetable gem
by Bob Jones

Rock & Gem Kids
Beryl, Junior Rockhound Spotlight, and a quiz

Golden Oregon Barite
Crystal mining in the Cascade Mountains
by Jim Landon

Club-College Partnership
The Mother Lode Mineral Society goes back to school
by Jim Brace-Thompson

Tours from Laughlin, Nevada
Historic mines, museums, and petroglyph sites within an hour’s drive
by Helen Serras-Herman

PROJECT

Coprolite and Dinosaur Bone Desk Set
Customize a letter opener and paperweight
by Dave Fisk

 

REGULAR COLUMNS

Picks & Pans
Museum exhibits, book reviews, hobby news

Lapidary of the Month
Obsidian bowl
by Bob Rush

Show Dates
Mark your calendar!

Shop Talk
Making Stone Marbles
by William A. Kappele

Rock Science
Uranium "Logs"
by Steve Voynick

Many Facets
Small Oval Design
by Gary Statton

On the Rocks
Holiday Gifts for the Rockhound
by Bob Jones

Field Notes
Reader letters

Price: $7.99

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