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Gold Refining - by Donald Clark - This book covers the methods and systems of gold refining
PRESENCE OF "CRYSTALLINE SILICA QUARTZ"
The more percentage of Gold you have in your concentrates the more gold you can smelt at a time
Model 191 includes the drywasher a 5 hp
4oz KitKat Gold Bar High Density Graphite Ingot Mold 2oz Silver -Copper tree Gold Refining - by DonaldInside size of the mold is 1 13 16" X 15 32" X 1 2" deepMachined graphite ingot with a steeper wall taper than our normal molds for better metal removal. This Mold is great for making old style loaf KitKat bars. The weight of each bar depends on what metal your working with and how full you fill each cavity. Full to the top plus a bit more will give you a apx 4 Troy ounce Gold Bar. Silver will be like 2 oz. Silver dime shown in the pic is not included.
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