--- product_id: 635508305 title: "12,000 Grit Aluminum Oxide Rock Polish Powder, 1 lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish" brand: "mjr tumblers" price: "€ 71.15" currency: EUR in_stock: true category: "Mjr Tumblers" url: https://www.desertcart.hr/products/635508305-12-000-grit-aluminum-oxide-rock-polish-powder-1-lb store_origin: HR region: Croatia --- # Works with rotary & vibratory tumblers 12,000 grit ultra-fine polish Premium aluminum oxide for consistent finish 12,000 Grit Aluminum Oxide Rock Polish Powder, 1 lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish **Brand:** mjr tumblers **Price:** € 71.15 **Availability:** ✅ In Stock ## Summary > ✨ Polish Like a Pro, Shine Like a Star ✨ ## Quick Answers - **What is this?** 12,000 Grit Aluminum Oxide Rock Polish Powder, 1 lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish by mjr tumblers - **How much does it cost?** € 71.15 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/635508305-12-000-grit-aluminum-oxide-rock-polish-powder-1-lb) ## Best For - mjr tumblers enthusiasts ## Why This Product - Trusted mjr tumblers brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Material Mastery:** Perfect for rocks, minerals, and glass—elevate every lapidary project. - • **Sub-Micron Precision Polish:** Achieve flawless, mirror-like stone surfaces with ultra-fine 12,000 grit powder. - • **Universal Tumbler Compatibility:** Seamlessly integrates with both rotary and vibratory tumblers for versatile use. - • **Veteran-Owned Quality Assurance:** Trust a USA-based, disabled veteran-owned brand committed to excellence. - • **Reliable Consistency Every Cycle:** Premium aluminum oxide ensures even, repeatable polishing results for pros. ## Overview MJR Tumblers 12,000 Grit Aluminum Oxide Rock Polish Powder is an ultra-fine, premium polishing compound designed for the final stage of rock tumbling. Compatible with rotary and vibratory tumblers, it delivers consistent, high-quality finishes on rocks, minerals, and glass. Proudly made by a USA-based veteran-owned company, this 1 lb powder ensures professional-grade lapidary results every time. ## Description MJR Tumblers 12,000 Grit Aluminum Oxide Rock Polish Powder, 1 lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish: desertcart.com: Industrial & Scientific ## Features - ULTRA-FINE 12,000 GRIT FOR FINAL POLISHING STAGE: This sub-micron 12,000 grit aluminum oxide is designed for the final stage of rock tumbling, helping refine stone surfaces after pre-polish. Ideal for achieving a smooth, clean, and polished finish on rocks, minerals, and gemstones. - HIGH QUALITY ALUMINUM OXIDE FOR CONSISTENT RESULTS: Made from premium aluminum oxide, this polishing compound delivers even, reliable performance across tumbling cycles. Designed to support consistent finishing results when used as part of a complete multi-stage polishing process - COMPATIBLE WITH ROTARY & VIBRATORY TUMBLERS: Suitable for use with most rock tumblers, including rotary and vibratory machines. A versatile polishing solution for maintaining your rock tumbling workflow or upgrading your final polishing stage. - IDEAL FOR ROCKS, MINERALS & GLASS POLISHING: Works well across a variety of materials, including stones, minerals, and glass. Designed to enhance surface smoothness and clarity during the final polishing step. - USA OWNED BRAND WITH TRUSTED QUALITY: Offered by a USA-based, disabled and veteran-owned company. MJR Tumblers provides dependable rock tumbling supplies designed for performance, consistency, and ease of use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D4PLX9YP | | Best Sellers Rank | #33,243 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #59 in Abrasive Finishing Compounds | | Brand | MJR Tumblers | | Brand Name | MJR Tumblers | | Compatible Material | Aluminum Oxide | | Customer Reviews | 4.6 out of 5 stars 147 Reviews | | Grit Material | Extreme Aluminum Oxide | | Grit Material Type | Extreme Aluminum Oxide | | Grit Number | 12000 | | Grit Type | Extreme Polish | | Item Weight | 1 Pounds | | Manufacturer | MJR Tumblers | | Material | Extreme Aluminum Oxide | | Material Type | Extreme Aluminum Oxide | | Part Number | MJR-12000-1LB | | Set Name | Single | | Unit Count | 1.0 Count | ## Product Details - **Brand:** MJR Tumblers - **Grit Material:** Extreme Aluminum Oxide - **Grit Type:** Extreme Polish - **Item Weight:** 16 ounces - **Material:** Extreme Aluminum Oxide ## Images ![12,000 Grit Aluminum Oxide Rock Polish Powder, 1 lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish - Image 1](https://m.media-amazon.com/images/I/61nvojo7R0L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - 1 Pound of MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Rock Polishing Powder. for Unparalleled Quality and Performance. A Disabled and Veteran Owned Company! - 4lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - 10 lbs Rock Tumbler Grit - Tumbler Media Grit,Rock Polishing Grit Media, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher,COARSE 60/90 Silicon Carbide Grit, Step 1 for Tumbling Stones --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/635508305-12-000-grit-aluminum-oxide-rock-polish-powder-1-lb](https://www.desertcart.hr/products/635508305-12-000-grit-aluminum-oxide-rock-polish-powder-1-lb) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-18*