---
product_id: 54211200
title: "Fundamental Rockhound 3 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide"
brand: "the fundamental rockhound"
price: "AR$137785"
currency: ARS
in_stock: true
category: "The Fundamental Rockhound"
url: https://www.desertcart.com.ar/products/54211200-fundamental-rockhound-3-lb-46-70-extra-coarse-grit-rock
store_origin: AR
region: Argentina
---

# 46/70 grit size 3 lb weight AAA quality, American made Fundamental Rockhound 3 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide

**Brand:** the fundamental rockhound
**Price:** AR$137785
**Availability:** ✅ In Stock

## Summary

> ✨ Unleash Your Inner Geologist! ✨

## Quick Answers

- **What is this?** Fundamental Rockhound 3 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide by the fundamental rockhound
- **How much does it cost?** AR$137785 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/54211200-fundamental-rockhound-3-lb-46-70-extra-coarse-grit-rock)

## 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

- • **Bulk Value:** 3 lbs of grit means more tumbling and less shopping!
- • **Precision Grit:** Achieve the perfect finish with our 46/70 extra coarse grit.
- • **Transform Your Rocks:** Turn rough stones into polished gems with ease!
- • **Quality You Can Trust:** Crafted in the USA, ensuring top-notch performance.
- • **For the Passionate Rockhound:** Join a community of enthusiasts who demand the best!

## Overview

This 3 lb package of 46/70 extra coarse silicon carbide grit is designed specifically for rock tumbling, allowing you to transform rough stones into beautifully polished gems. Made in the USA and graded AAA quality, this grit is perfect for serious rockhounds looking to elevate their tumbling game.

## Description

You will receive one Three-pound bag of size extra coarse, 46/70 silicon carbide grit. Silicon carbide is the preferred meda for use in a rock tumbler, whether rotary or vibratory. The standard "step one" is size 60/90, but this extra coarse size works really well if your stones are extra rough.

## Features

- Three pounds Extra Coarse size 46/70 silicon carbide grit for rock tumbling.
- Extra coarse for those really rough rocks!
- AAA Quality Graded Grit, American Made

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00JTJBPLG |
| Brand Name | The Fundamental Rockhound |
| Compatible Material | Stone |
| Customer Reviews | 4.6 4.6 out of 5 stars (51) |
| Grit Material Type | Silicon Carbide |
| Grit Number | 70 |
| Grit Type | Extra Coarse |
| Item Dimensions | 4.5 x 4.5 x 4.5 inches |
| Item Weight | 3 pounds |
| Manufacturer | Sister’s Rocks LLC |
| Material Type | Silicon Carbide |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 3lb_4670 |
| UPC | 740781120121 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** The Fundamental Rockhound
- **Grit Material:** Silicon Carbide
- **Grit Type:** Extra Coarse
- **Item dimensions L x W x H:** 4.5 x 4.5 x 4.5 inches
- **Material:** Silicon Carbide

## Images

![Fundamental Rockhound 3 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide - Image 1](https://m.media-amazon.com/images/I/41LsPyOPRjL.jpg)
![Fundamental Rockhound 3 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide - Image 2](https://m.media-amazon.com/images/I/912iOicobZL.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/54211200-fundamental-rockhound-3-lb-46-70-extra-coarse-grit-rock](https://www.desertcart.com.ar/products/54211200-fundamental-rockhound-3-lb-46-70-extra-coarse-grit-rock)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-11-02*