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Cinnabar Opal (309) 2mm-The Glass Underground

Cinnabar Opal (309) 2mm

  • $ 51.10
  • Save $ 21.90




Cinnabar is a striking color. Striking glasses are those which, when in their cold state, do not display their target color. They must be fired and held at 1225 degrees for a period of time before reaching that target color.

In it's cold state, CInnabar may appear very muted gray/brown with streaks or variation in color density. When fired, it will mature to a reddish cinnabar color and appear slightly dappled.

Contains sulfur and may react to copper bearing glasses. Slight reactive potential to lead bearing glass.

Sheet sizes are:

1/2 Sheet - 20" x 17"

1/4 Sheet - 10" x 17"

1/8 Sheet - 8 1/2" x 10"

10" x 10"

5" x 7"

5" x 7"s are perfect for testing colors before you commit to buying a larger piece, or if you just need a small piece.

Please click to add one Glass Handling Fee to your glass order for ½ sheets.

We will bill you through PayPal if your handling fee is not included.

Reaction Chart: Download PDF


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