loss of detail in comparison to uncolored articles five grams of gold jewelry metal clay is weighed and handled in accordance to information provided by mitsubishi materials corporation after shaping three separate five gram clay samples into pancake like forms 0 1 gram of refractory stain is added to the first 0 3 gram to the second and 0 5 gram to the third each sample is kneaded until the refractory stain is thoroughly distributed throughout the jewelry metal clay a droplet of water is added to ease kneading of the 0 3 and 0 5 gram stain addition samples the jewelry metal clay samples containing the refractory stain are each rolled into an oval sheet and weighed the samples are allowed to thoroughly dry before firing and their dry weights recorded the samples are fired on an earthenware tile dusted with clean alumina hydrate the tile is stilted and placed in an electronically monitored electric kiln the samples are fast fired according to mitsubishi materials corporation 39 s specifications 1830 u00b0 f for two hours the kiln is allowed to cool before the samples are removed the fired samples are weighed and the weights recorded a five gram sample of finely ground silver is weighed one half gram of refractory stain is added and thoroughly mixed with the silver powder the powdered mixture of silver and refractory stain is pressed into a cylinder and.