---
product_id: 692851985
title: "12,000 Grit Aluminum Oxide Rock Polish Powder, 4lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish"
brand: "mjr tumblers"
price: "$147.45"
currency: USD
in_stock: true
category: "Mjr Tumblers"
url: https://www.desertcart.us/products/692851985-12-000-grit-aluminum-oxide-rock-polish-powder-4lb-extreme
store_origin: US
region: United States of America
---

# 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, 4lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish

**Brand:** mjr tumblers
**Price:** $147.45
**Availability:** ✅ In Stock

## Summary

> ✨ Polish like a pro, shine like a legend! ✨

## Quick Answers

- **What is this?** 12,000 Grit Aluminum Oxide Rock Polish Powder, 4lb Extreme Fine Final Stage Rock Tumbler Polish, Stone Polishing Compound for Rotary & Vibratory Tumblers, Lapidary Finish by mjr tumblers
- **How much does it cost?** $147.45 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/692851985-12-000-grit-aluminum-oxide-rock-polish-powder-4lb-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

- • **Multi-Material Mastery:** Perfect for rocks, minerals, and glass polishing brilliance
- • **Ultra-Fine 12,000 Grit Polish:** Achieve mirror-like, sub-micron smoothness on every stone
- • **Premium Aluminum Oxide Compound:** Reliable, consistent results for flawless final finishes
- • **Versatile Tumbler Compatibility:** Seamlessly fits rotary and vibratory tumblers for workflow ease
- • **Veteran-Owned Quality Assurance:** Trust a USA-based brand committed to excellence and consistency

## 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, mirror-quality finishes on stones, minerals, and glass. Proudly made by a USA-based veteran-owned company, this 4lb pack ensures professional-grade lapidary results every time.

## Description

MJR Tumblers 12,000 Grit Aluminum Oxide Rock Polish Powder, 4lb 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 | B0D4PQ6XS7 |
| Best Sellers Rank | #44,507 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #53 in Tumbling Media |
| Brand Name | MJR Tumblers |
| Compatible Material | Glass, Metal, Stone |
| Customer Reviews | 4.6 4.6 out of 5 stars (144) |
| Grit Material Type | Aluminum Oxide |
| Grit Number | 12000 |
| Grit Type | Extreme Polish |
| Item Weight | 4 Pounds |
| Manufacturer | MJR Tumblers |
| Material Type | Extreme Aluminum Oxide |
| Number of Items | 4 |
| Part Number | MJR-12000-4LB |
| Set Name | MJR Tumblers Extreme Polish Set |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** MJR Tumblers
- **Grit Material:** Aluminum Oxide
- **Grit Type:** Extreme Polish
- **Item Weight:** 4 Pounds
- **Material:** Extreme Aluminum Oxide

## Images

![12,000 Grit Aluminum Oxide Rock Polish Powder, 4lb 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

- 4 Pounds 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!
- MJR Tumblers 20 LB per Polish Aluminum Oxide 400/600 Pre-Polish Rock Grit Stage 3 | 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

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**Shop now:** [https://www.desertcart.us/products/692851985-12-000-grit-aluminum-oxide-rock-polish-powder-4lb-extreme](https://www.desertcart.us/products/692851985-12-000-grit-aluminum-oxide-rock-polish-powder-4lb-extreme)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-23*