The Rock Peddler
- Location
- The Rock Peddler, 81 Violetwood Circle, Marlborough, MA 01752 (mail-order only, not a store); 508-787-9796; [email protected]
- Last checked
- 2026-10-15
What it is
The Rock Peddler is a mail-order lapidary equipment and supplies retailer in Marlborough, Massachusetts, with its own online shop at rockpeddler.com. Its About page says it “is a retailer of these fine brands of Lapidary Equipment and Supplies: Crystalite, Diamond Pacific, Covington, Eastwind Diamond Abrasives, Gearloose (BATT lap), Lightning Lap, CabKing, Hi-Tech Diamond, TBS Abrasives, Foredom Electric, Jersey Instruments (Omni) and Inland Lapidary.” The home page says it is owned and operated by Jeanne Ridolfi, “your lapidary supplier since 1977.”
Who it’s for
Cabbers, faceters and tumblers who want major-brand lapidary machines, saw blades, laps, diamond wheels, polishing compounds and tumbling supplies at discount prices, with phone support, shipped from a small family-style mail-order business.
Why it’s listed
It’s the business’s own WooCommerce store with a working cart at /cart/, product pages with printed prices and “Add to cart” buttons, and its address, phone and email published on its own Contact page. It is not a marketplace, not Amazon and not an affiliate storefront.
Official URL
https://www.rockpeddler.com/shop/
Cart: https://www.rockpeddler.com/cart/
Cabbing machines: https://www.rockpeddler.com/product-category/cabbing-machines/
Diamond saw blades: https://www.rockpeddler.com/product-category/diamond-saw-blades/
Example supply: https://www.rockpeddler.com/product/cerium-oxide-powder-super-cerium/
Example saw: https://www.rockpeddler.com/product/covington-12-combination-slab-trim-saw/
About: https://www.rockpeddler.com/about/
Contact: https://www.rockpeddler.com/contact/
(First-party store checked 2026-10-15. Every cited URL returned HTTP 200 to curl with a Chrome user agent.)
Location
81 Violetwood Circle, Marlborough, MA 01752. The site says “Not a store, mail only.” Phone 508-787-9796 (“all phone messages returned”; closed Friday, Saturday and Sunday). Email [email protected].
This is a supplier with its own online store. It is not a club and not a school.
Notes
- Prices on the check date (product pages): Cerium Oxide Powder (Super Cerium, 4 oz), $28.95; Covington 12” Combination Slab/Trim Saw, $2,422.50 (tabletop) to $2,507.50 (with leg stand); Ceramic Lap 6”, $225.00; Alcohol Lamp, $19.25.
- Shipping: the home page says it no longer accepts orders from new customers shipping outside the United States (exceptions for established customers and Graham books). Shipping charges can be checked by phone.
- Brands: it resells other makers’ equipment (including Covington) and is not itself Covington Engineering or any manufacturer. Some items, such as Covington blades and oil, are drop-shipped from the factory.
- Massachusetts had no listings before this one.
- Photo: the shop logo (
RP2018-Logo2.jpgog:image, 526 × 153), saved as PNG. - Not affiliated with Lapidary Plaza. No purchase, account or contact form was used.
FAQ
Q: What does The Rock Peddler sell?
A: Lapidary and faceting machines, diamond saws and blades, cutting and polishing laps, diamond wheels, discs and belts, polishes, tumblers, tumbling supplies and instructional materials, from brands such as Diamond Pacific, Covington, Crystalite, CabKing and Inland.
Q: Can I order online?
A: Yes, through the shop’s own cart at rockpeddler.com. You can also order by phone at 508-787-9796.
Q: Is it a walk-in store?
A: No. The Contact page says the Marlborough address is “Not a store, mail only.”
Q: Does it ship internationally?
A: It no longer accepts orders from new customers shipping outside the US, with exceptions for established customers and Graham books.
Q: How long has it been in business?
A: The site says owner Jeanne Ridolfi has been a lapidary supplier since 1977, and that it celebrated 34 years as a mail-order supplier in 2025 (1991–2025).