Fire assaying crucibles are ideal for smelting gold, ore concentrates, and black sands as they are able to withstand temperatures up to 2550°F. These crucibles are typically designed for only one assaying fire.

Dimensions: Top Diameter: 3-1/2". Bottom Diameter: 2-1/4". Height: 4.4". Designed for Jewelers, Metalsmiths, & Refiners.

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• Ideal for smelting and working with gold, ore concentrates, and black sands
• Typically designed for only one assaying fire
• Withstands temperatures up to 2550°F

Ideal for smelting and working with gold, ore concentrates, and black sandsPMC Supplies