--- product_id: 767855174 title: "12,000 Grit Aluminum Oxide Rock Polish Powder, 20lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish" brand: "mjr tumblers" price: "$567.77" currency: USD in_stock: true category: "Mjr Tumblers" url: https://www.desertcart.us/products/767855174-12-000-grit-aluminum-oxide-rock-polish-powder-20lb-extreme store_origin: US region: United States of America --- # Works with rotary & vibratory tumblers 12,000 ultra-fine grit for flawless polish Premium aluminum oxide ensures consistent finish 12,000 Grit Aluminum Oxide Rock Polish Powder, 20lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish **Brand:** mjr tumblers **Price:** $567.77 **Availability:** ✅ In Stock ## Summary > ✨ Elevate your stones to museum-quality shine! ✨ ## Quick Answers - **What is this?** 12,000 Grit Aluminum Oxide Rock Polish Powder, 20lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish by mjr tumblers - **How much does it cost?** $567.77 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/767855174-12-000-grit-aluminum-oxide-rock-polish-powder-20lb-extreme) ## 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 - • **Reliable Consistency:** Premium aluminum oxide guarantees even, repeatable results every cycle - • **Flawless Final Polish:** Achieve mirror-like surfaces with ultra-fine 12,000 grit powder - • **Versatile Material Use:** Perfect for polishing rocks, minerals, and glass to crystal clarity - • **Universal Compatibility:** Seamlessly integrates with both rotary and vibratory tumblers - • **Trusted American Quality:** Support a veteran-owned brand delivering dependable lapidary excellence ## Overview MJR Tumblers 12,000 Grit Aluminum Oxide Polish Powder is an ultra-fine, premium-grade polishing compound designed for the final stage of rock tumbling. Compatible with rotary and vibratory tumblers, it delivers consistent, high-gloss finishes on rocks, minerals, and glass. Proudly made by a USA-based veteran-owned company, this 20lb supply ensures professional lapidary results every time. ## Description MJR Tumblers 12,000 Grit Aluminum Oxide Rock Polish Powder, 20lb 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 | B0D4P81DFY | | Best Sellers Rank | #21,440 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Tumbling Media | | Brand Name | MJR Tumblers | | Compatible Material | Aluminum Oxide | | Customer Reviews | 4.6 4.6 out of 5 stars (147) | | Grit Material Type | Extreme Aluminum Oxide | | Grit Number | 12000 | | Grit Type | Extreme Polish | | Manufacturer | MJR Tumblers | | Material Type | Extreme Aluminum Oxide | | Part Number | MJR-12000-20LB | | Unit Count | 1.0 Count | ## Product Details - **Brand:** MJR Tumblers - **Grit Material:** Extreme Aluminum Oxide - **Grit Number:** 12000 - **Grit Type:** Extreme Polish - **Material:** Extreme Aluminum Oxide ## Images ![12,000 Grit Aluminum Oxide Rock Polish Powder, 20lb 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. --- ## 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.us/products/767855174-12-000-grit-aluminum-oxide-rock-polish-powder-20lb-extreme](https://www.desertcart.us/products/767855174-12-000-grit-aluminum-oxide-rock-polish-powder-20lb-extreme) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-22*