February 2007

February 2007 Vol.37 Num.2
Table of Contents (pdf)


The Minerals of Earth's Crust
Part II: Sedimentary rocks are great collecting sites
by Bob Jones

The Frugal Collector: The Silicates
Part VI: Tanzanite, chrysoprase, and gem silica
by Bob Jones

Roadside Panning Sites in New Mexico
Part II: Rio Arriba, Sandoval, San Juan, San Miguel, Sierra, Socorro, Taos, and Valencia counties
by David and Clois Walker

A different kind of rock
by Chloe R. Young

Rock & Gem Kids
Crystal models and pyromorphite
by Steve Decker

Gold in the 21st Century
How mining and the market are changing
by Steve Voynick

Perspective on Platinum
Is it becoming too precious for jewelry?
by Steve Voynick

Silver Treasures of Kongsberg
Unique specimens from famous Norwegian mines
by Kiera Tara O'Brien

Field Trip:
Rockhounding Bountiful Bancroft
A collectible variety in a small area
by Mike Streeter

Field Trip:
Cold-Water Agates
Exploring gravel bars along the Zumbro River
by Kenneth H. Rohn

Field Trip:
Collectibles in Sediments
Cone-in-cone structures near Erie, Pennsylvania
by Robert Beard

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