---
product_id: 10486594
title: "Fundamental Rockhound products: 4 oz .3 Micron Aluminum Oxide Linde A - Lapidary Rock Polish"
brand: "the fundamental rockhound"
price: "584 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/10486594-fundamental-rockhound-products-4-oz-3-micron-aluminum-oxide-linde
store_origin: RO
region: Romania
---

# .3 Micron Mesh 99.9% Pure Mohs Hardness 9 Fundamental Rockhound products: 4 oz .3 Micron Aluminum Oxide Linde A - Lapidary Rock Polish

**Brand:** the fundamental rockhound
**Price:** 584 Lei
**Availability:** ✅ In Stock

## Summary

> ✨ Polish Like a Pro: Shine On!

## Quick Answers

- **What is this?** Fundamental Rockhound products: 4 oz .3 Micron Aluminum Oxide Linde A - Lapidary Rock Polish by the fundamental rockhound
- **How much does it cost?** 584 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/10486594-fundamental-rockhound-products-4-oz-3-micron-aluminum-oxide-linde)

## Best For

- the fundamental rockhound enthusiasts

## Why This Product

- Trusted the fundamental rockhound brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock Solid Quality:** Crafted from 99.9% pure AAA grade aluminum oxide for superior results.
- • **Join the Lapidary Elite:** Elevate your craftsmanship and impress your peers with stunning results.
- • **Precision at Its Finest:** Achieve a flawless finish with .3 micron mesh size for ultimate smoothness.
- • **Unleash Your Inner Artisan:** Transform your lapidary projects with a professional-grade polish.
- • **Durability Meets Performance:** With a Mohs hardness of 9, this polish stands the test of time.

## Overview

The Fundamental Rockhound 4 oz .3 Micron Aluminum Oxide Linde A is a premium lapidary polish designed for serious artisans. With a mesh size of .3 microns and a Mohs hardness of 9, this 99.9% pure AAA grade polish ensures a flawless finish on your rock and mineral projects.

## Description

This polish is 99.9% pure 0.3 micron aluminum oxide. It is "AAA" grade, the best you can get, and is known to some under the old brand name 'Linde A.' Linde A is used for polishing tourmaline, beryl, garnet, topaz, peridot, danburite, etc. It has a hardness of Mohs 9, and is therefore most useful for polishing very hard and/or difficult materials (but not corundum, as corundum is also of a hardness 9). ...... For use with faceting machines, sanding belts, lap disks, polishing heads for dremels. Leather or felt polishing tools are preferred, but cotton buffers will work well also.

## Features

- 4 ounce Aluminum Oxide polish, mesh size .3 micron
- 99.9% Pure AAA Grade
- Also known as Linde A
- Mohs Hardness 9

## Images

![Fundamental Rockhound products: 4 oz .3 Micron Aluminum Oxide Linde A - Lapidary Rock Polish - Image 1](https://m.media-amazon.com/images/I/81A701blRCL.jpg)

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**Shop now:** [https://www.desertcart.ro/products/10486594-fundamental-rockhound-products-4-oz-3-micron-aluminum-oxide-linde](https://www.desertcart.ro/products/10486594-fundamental-rockhound-products-4-oz-3-micron-aluminum-oxide-linde)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-22*