Here's a short list of places to shop or gifts to get for that person who loves geological things. These range from serious to wacky, plus a few items to make your jaws drop. Not on the list are books—for those, visit the book reviews.
Bob's Rock Shop
Bob doesn't sell rocks at his rock shop, but this great Web destination has advertisers who do—or you can get a subscription to Rock & Gem magazine here.
The Brunton Co.
Makers of world-standard field tools for geologists, starting with the compasses many of us know as simply "Bruntons."
An assortment of books about getting around, even finding wealth, in the desert, from desertusa.com.
Rocks, minerals, tools, fossils, and books for smart kids from Science Stuff of Austin, Texas.
When lightning strikes the ground, sediments are fused together by the energy. Various mineral dealers sell the melted results.
The best popular magazine for those who take geology seriously (formerly Geotimes).
Gifts for Cavers
All kinds of bat-shaped things, even bat guano for your plants, from the Speleobooks catalog.
Top Stone Rolling Fountains
Large stone spheres, spinning suspended on water—for the person or client who has everything. I love this site.
One can never have too many 10X magnifiers. Here are the best.
The Mineral Gallery
There are hundreds of mineral shops on the Web, but the Mineral Gallery probably has the best selection of minerals.
Mountain Press Publishing
This is where to get titles in the highly regarded Roadside Guide and Geology Underfoot series of books.
Sphere's To You
They call themselves the biggest seller of stone spheres in the world. Their selection is incredible.
The Soft Earth
Pottery artist Joan Lederman uses pedigreed seafloor mud from Woods Hole's oceanographers to make wonderful objects.
U.S. Geological Survey Bench Mark Replicas
Full-size reproductions in pewter of those cool brass markers; earrings and more besides. Many summits and landmarks available, including (get this) the South Pole.
U.S. Geological Survey Maps and More
Find maps, posters, passes, products and more from the world's coolest government agency.