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Old 04-15-2019, 08:07 PM
Larry Cazes Larry Cazes is offline
Join Date: Feb 2006
Location: San Jose, CA
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Originally Posted by Pete VanderLaan View Post

I don't know quantitatively how one would measure fuming onto glass to obtain color consistently but it sound to me like that's what you want to do. Folks do it with silver and I believe do it with either a chloride or a bromide lump. Gold as a chloride is normally in an aequous solution, not a solid, or at least I've not seen one as a solid in years. Normally gold is weighed as a "Dwt" or a penny weight. 16 pennyweights to the Oz. It's perverse.
Ive been torch fuming Gold and Silver on Borosilicate for 8 years now and its still not an exact science but it is a viable method. Sue Ellen Fowler actually produced a DVD some years back that outlined her techniques for torch mixing her own Boro color using clear tubing and chemical colorants. I once owned a copy but its long since been lent to others. Im sure if you search on line you can find it.
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