---
product_id: 539580657
title: "Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75\"-5\")"
brand: "mr. fireglass"
price: "R4587"
currency: ZAR
in_stock: false
reviews_count: 5
category: "Mr. Fireglass"
url: https://www.desertcart.co.za/products/539580657-mr-fireglass-lava-rock-granules-large-black-volcanic-lava-rock
store_origin: ZA
region: South Africa
---

# Natural volcanic rock enhances oxygen ions Porous surface boosts flame spread Eco-friendly, non-toxic & clean burning Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5")

**Brand:** mr. fireglass
**Price:** R4587
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Elevate your fire game with nature’s black magic!

## Quick Answers

- **What is this?** Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") by mr. fireglass
- **How much does it cost?** R4587 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/539580657-mr-fireglass-lava-rock-granules-large-black-volcanic-lava-rock)

## Best For

- mr. fireglass enthusiasts

## Why This Product

- Trusted mr. fireglass brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile & Vital:** Perfect for fire pits, gas log sets, garden mulch, and even creative craft projects—stand out everywhere.
- • **Effortless Elegance:** Low-maintenance, non-fading, and safe for propane or natural gas setups—beauty without the hassle.
- • **Ignite Your Ambiance:** Porous lava rock disperses gas evenly for a mesmerizing, fuller flame every time.
- • **Nature’s Own Decor:** Earthy black volcanic texture adds depth and sophistication to any indoor or outdoor fire feature.
- • **Water Wellness Booster:** Activates oxygen ions to purify water in ponds, aquariums, and water gardens naturally.

## Overview

Mr. Fireglass Lava Rock Granules are large, porous black volcanic stones (2.75"-5") designed to enhance flame performance in fire pits, bowls, and fireplaces. Weighing 10 pounds, these eco-friendly, non-toxic rocks improve gas dispersion for fuller flames, add natural aesthetic appeal, and activate oxygen ions to purify water in aquatic features. Ideal for both indoor and outdoor use, they require minimal maintenance and work seamlessly with propane or natural gas.

## Description

Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5")

Review: Satisfied with the rocks and so are my fish
Review: came as described, they look brown at first have to wash them to get a darker color

## Features

- 【Firebase To Improve Flame Performance】 - These black lava rocks have natural a porous surface, which can help spread the gas dispersion in all directions to improve the flame performance. It works great as a firebase underneath fire glass for fire pit or fireplace. While, it requires very little maintenance.
- 【Natural Epic Decoration】 - With an earthy, natural look, Lava Rock complements many landscapes by adding texture, color, and depth. It works well as a transitional rock between two landscapes. It also does a wonderful job as mulch in garden bedsIt to cover the entire exposed aggregate flooring effectively hiding the unseemly pipes and tubes. It adds an extra beauty as decoration for any leisure spaces like garden, lawn, walkway, fountain, terrarium, vase filler, potted plant, craft project.
- 【Activate Oxygen Ions in Water and Optimize Water Feature】- Natural volcanic rocks can activate the oxygen ions in the water and promote the metabolism of plants and animals. The porous structure can absorb harmful bacteria, residues, feces and harmful heavy metal ions to keep the water in the tank clean. Especially suitable for water features, shines in swimming pools, aquariums, water gardens, ponds etc.
- 【Eco-Friendly & Safe to Use】 - Non-fading, non-degrade and non-toxic, Clean burning media for indoor and outdoor use around your home or business. Works great with propane and natural gas.
- 【Black Lava Rock】 - Color Available in Black, Stone size in 2.75"-5". Weight: 10 pounds.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BPL1KMHK |
| Batteries required | No |
| Best Sellers Rank | 397,273 in Garden ( See Top 100 in Garden ) 1,552 in Outdoor Fire Pits |
| Customer Reviews | 4.3 4.3 out of 5 stars (256) |
| Date First Available | 10 Jun. 2023 |
| Item model number | MF-FG117-AB10 |
| Item weight | 10 Pounds |
| Package Dimensions | 38.61 x 32.99 x 13.21 cm; 4.54 kg |

## Product Details

- **Brand:** Mr. Fireglass
- **Flavour:** Volcanic
- **Item form:** Granule
- **Item weight:** 10 Pounds
- **Material:** Metal

## Images

![Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") - Image 1](https://m.media-amazon.com/images/I/51+mT0EUQNL.jpg)
![Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") - Image 2](https://m.media-amazon.com/images/I/516FZI9L4eL.jpg)
![Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") - Image 3](https://m.media-amazon.com/images/I/51IWVSi-cML.jpg)
![Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") - Image 4](https://m.media-amazon.com/images/I/61+YHkzNxuL.jpg)
![Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5") - Image 5](https://m.media-amazon.com/images/I/61Dl3lxBMkL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by W***A on 15 December 2025*

Satisfied with the rocks and so are my fish

### ⭐⭐⭐⭐⭐ Review
*by Y***S on 30 December 2024*

came as described, they look brown at first have to wash them to get a darker color

### ⭐⭐⭐⭐ Review
*by C***Y on 23 August 2025*

I GIVE THIS A 4 STAR ALL THOUGH STONES ARE EXACLY WHAT I WANTED, I JUST WISH THE QUANTITY WAS MORE

## Frequently Bought Together

- Mr. Fireglass Lava Rock Granules, Large Black Volcanic Lava Rock for Fire Bowls, Fire Pits, Gas Log Sets, Indoor or Outdoor Fireplaces - 10 Pounds (2.75"-5")
- American Fireglass Medium Lava Rock, 1/2" - 1" | Use in Fireplace, Fire Pit or Bowl | Outdoor & Indoor Volcanic Rock for Natural Gas or Propane Fires | Decorative Landscaping | 10 lb Bag
- Calofulston 2"-4" Black Lava Rock, 10lbs Large Volcanic Lava Rock for Fire Pit, Gas Logs, Aquarium, Fireplace, Fire Bowl

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**Shop now:** [https://www.desertcart.co.za/products/539580657-mr-fireglass-lava-rock-granules-large-black-volcanic-lava-rock](https://www.desertcart.co.za/products/539580657-mr-fireglass-lava-rock-granules-large-black-volcanic-lava-rock)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-04*