Geology
- 366
- NM Stone Supply
- Offers to supply alabaster direct from the stone quarry to sculptors, lathe turners, education establishments, art schools and sculpture supply businesses across the United States.
- 368
- Parsons Minerals and Fossils
- Mineral and fossil specimens, as well as carvings for sale worldwide.
- 369
- Penn Minerals
- Rocks, minerals and fossils from the State of Pennsylvania and around the world. Also information on collecting sites.
- 370
- Rockology
- Offers gems and minerals for collectors, hand selected on site in South America and other far flung locations.
- 371
- Spanish Minerals
- Offers mineral collections, wholesale collections and various minerals from the Panasqueira Mine and other localities in Spain.
- 372
- Surrey Minerals
- UK firm supplying collectors with quality mineral specimens from worldwide locations at realistic prices.