Spring Sale: $5.00 off all 10 lb. Jars of 1/2" Fire Glass!

Tempered Fire Glass - 1/2" Diamond Starlight Clear - Bulk 20 lb. Bag

1/2" Diamond Starlight Clear Fire Glass

How Much Fire Glass Do I Need?

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Round Fire Pit

Round Fire Pit Calculator

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Square/Rectangular Fire Pit Calculator

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Round Fire Bowl

Fire Bowl Calculator

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Fireplace Calculator

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Bulk Fire Glass for out customers who only need the raw materials to complete their projects. This fire glass will arrive in a 20 lb. bag instead of our typical 10 lb. Jars. 

The Celestial difference:

  • More luminous than other brands. Since our fire glass is not tumbled, its smooth, flawless surface reflects more light.
  • Won't melt or discolor. Your Celestial fireplace glass is designed to withstand extreme heat. It won't fade or melt and retains its brilliant shade over time.
  • Non-polluting. This heat-resistant glass is safe to use outdoors — no need to worry about toxic, smelly fumes being released into the air.
  • Doubles as a decorative accent. Have the do-it-yourself bug? Add a few handfuls of our fire pit glass to water features, clear vases, and decorative bowls to lend style and visual pizzazz to your surroundings.
  • Free Shipping. With our Celestial Prime shipping you'll receive your fire glass quickly, and at no cost to you. All of our products ship for free!


  • Size: 1/2" (10mm thick)
  • Finish: Clear
  • Weight: 20 lbs. 
  • Coverage: 400 Cubic Inches
  • Warranty: Lifetime Limited Warranty

California Proposition 65
Based on tests performed by an independent lab this fire glass does not contain any chemicals that meet or exceed California Proposition 65 level of concern for their listed chemicals. More specifically, the amount of Chromium and Lead are well beneath the California Proposition 65 levels of concern.


Below are Google reviews from a few of our many past customers. We strive for exceptional customer service - and really appreciate that these wonderful people took the time to leave us a review on Google.