Lot of 3 Graphite 10 oz Crucibles for Mini Fast Furnace - Melting Gold-Silver- 8 Size of this mold Cavity

Size of this mold Cavity is apx 1-1/8" across & 5/16" deep

lead and zinc

and Ruthenium

They each weigh 3

sinkers or taking samples of ore or Minerals in the field

Lot of 3 Graphite 10 oz Crucibles for Mini Fast Furnace - Melting Gold-Silver- 8 Size of this mold CavityThis lot of 3 Small Crucibles can be used for many ways to melt your gold, silver or Copper. They are 1 1 2" wide X 1 3 4" tall (Outside Dimension) and the (Inside dimension) is 1 " wide X 1 1 2" tall. They are made of solid High Density Graphite. Can hold up to 10+ oz of 24K Gold & about 5 oz of Silver or Copper. These are the same crucibles sent with the Mini Propane Furnace from "The Fast Furnace Company.