November 2012

Calcite crystals enclosing copper are unique to the Keweenaw native copper deposits. This 3-inch Quincy mine specimen, formerly in the John T. Reeder collection, is among the finest known. (Jeff Scovil photo/A.E. Seaman Mineral Museum specimen)







The A.E. Seaman Museum
Fine specimens from the Great Lakes Region and the world
by Susan Robinson

Agate: Decorator Stone Extraordinaire
Universally used for carving, inlay and more
by Bob Jones

Peridot, Pyroxene and Plagioclase
Mantle megacrysts from the Lunar Crater volcanic field in Nevada
by Carl F. Brink, G.G.

Rock & Gem Kids
Topaz, chatoyancy, and a quiz

How to Build School-Rock Club Partnerships
Infuse your club show with “young blood”
by Jim Landon

The “Fat Boys” of La Democracia
Mysterious magnetic boulders in a small Guatemalan town
by Michael Sherer

Travel Rocks
Adventures in collecting scenic specimens
by Lee Arnold

by Myles Mellor


Picks & Pans
Museum exhibits, book reviews, hobby news

Lapidary of the Month
Fireproof rock mat
by Susan Dustin

Show Dates
Mark your calendar!

Shop Talk
Choosing a Saw
by William A. Kappele

Rock Science
Science and the Rock-Crystal Skulls
by Steve Voynick

Many Facets
Hexed Oval Hexagon
by Gary Statton

On the Rocks
Mineral Specimens and Mining
by Bob Jones

Field Notes
Reader letters


Price: $7.99

Loading Updating cart...