September 2013

This calcite-on-amethyst quartz specimen from Rio Grande do Sul, Brazil, is part of the huge Hoppel collection, which is being sold off by Heritage Auctions. It stands 36 cm tall. (Mark Mauthner photo/courtesy Heritage Auctions)







Specimens under the Hammer
Heritage Auctions changes the face of mineral auctions
by Bob Jones

Flat Lapping Basics
Lapidary Mike Hahn shares his tips and tricks
by Jim Landon

Arizona’s Missing Museum
A fine mineral collection seeks a new home
by Bob Jones

Rock & Gem Kids
Mineraloids, mineralogical terms, and a quiz

An In-Home Mineral Display
Built-in cases hold conversation pieces
by Wyveta Kirk


Blackfoot Canyon Agate and Jasper
An old Montana collecting site yields new results
by Douglas Klieger


Picks & Pans
Museum exhibits, book reviews, hobby news

Lapidary of the Month
Copper and Petoskey stone turtle
by Thomas Bielman

Show Dates
Mark your calendar!

Shop Talk
Resources for Newbies
by William A. Kappele

Rock Science
The Prolific Zeolites
by Steve Voynick

What to Cut
Graveyard Point Plume Agate
by Scott Empey

Many Facets
Bi-Color Citrine V5 Star Cut
by Larry Mattos

On the Rocks
Fluorite in Denver
by Bob Jones

Field Notes
Reader Letters

Price: $7.99

Loading Updating cart...