October 2013

ON THE COVER
Mines in the Democratic Republic of the Congo are among the most active producers of malachite specimens today. This 14.4-cm-high stalagmitic specimen is from the Midingi mine in Katanga. (Jeff Scovil photo/Karen Hruby collection)

 

 

 

 

 

FEATURES

Malachite: Copper’s Green Glory
Fine cutting material is found around the world
by Bob Jones

Viewing Stones
Seeing nature’s artistry in ordinary rocks
by Bob Jones

Carving Gems on “God’s Mountain”
A Florida Society of Goldsmiths Workshop at Wildacres Retreat
by Helen Serras-Herman

Rock & Gem Kids
Petrified wood, mineral superstitions, and a quiz

Morocco’s Mysterious Azurites and Malachites
An unlikely occurrence of copper minerals
by Bob Farrar

FIELD TRIPS

New York Gems and Minerals
Four collecting sites in St. Lawrence County
by Michael Walter

Petrified Palm Wood
A collecting challenge near Nephi, Utah
by Frank J. Daniels

REGULAR COLUMNS

Picks & Pans
Museum exhibits, book reviews, hobby news

Lapidary of the Month
Designer malachite cabochon
by Denise Harrison

Show Dates
Mark your calendar!

Shop Talk
Tools of the Trade
by William A. Kappele

Rock Science
Fluorite: The "Rainbow" Mineral
by Steve Voynick

What to Cut
Bull Canyon Tube Agate
by Scott Empey

Many Facets
Sunfire Citrine (Multicolor) - Autumn Blaze Cut
by Larry Mattos

On the Rocks
The Oxide Zone
by Bob Jones

Field Notes
Reader Letters

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