Book, Modern Rock Tumbling by Steve Hart. Sold individually. - Fire Mountain Gems and Beads

National Geographic Gemstones

Marin Magazine March 2016 by 270 Media - Issuu

Boxoffice-September.01.1951

Jewelry Making Projects - Fire Mountain Gems and Beads

Toy Rocks

Informative, thorough and covers both rotary and vibratory rock tumbling

Modern Rock Tumbling (The only complete and up-to-date guide to tumble polishing rocks and stones)

Calaméo - Metalsmith Vol 36 No 2 - 2016

PDF) Brandwashed Zaur Guliyev

The Project Gutenberg eBook of Old Plymouth Trails, by Winthrop Packard