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Assay Furnace 4
Assay samples undergo part of the cupellation process at 1850 F
De-metalized glass is poured
Fine gold grain
Geib supplies either .9999 or .99999 fine gold for use in many industries
Diamond and Stone Recovery
Recovering diamond and precious stones from jewelry scrap.
Diamonds for shipment
After acid leach out and cleaning, your diamonds are readily resable.
Sterling silver for melting.