1 Kilo Graphite Crucible for Automatic Furnace W/Groove -Gold-Silver-Jewerly stamp This is the best explanation

This is the best explanation I have ever scene when it comes to the Geology break down of how to Identify a Mineral

Appendices include: Minimum Equipment for a Small Assay Office

A necessary 2½ hour video tool covering chemistry

8 oz of the best Flux Thinning compound I have used so far

This crucible filled to the top holds 48 oz of Aluminum

1 Kilo Graphite Crucible for Automatic Furnace W/Groove -Gold-Silver-Jewerly stamp This is the best explanationThis auction is for the 1 kg crucible only. This model has the groove in the top for the wire type crucible tongs. Size is OD of the bottom part that goes in the furnace is 1 15 16" so its designed for the furnace that has a 2" opening. It goes down into the furnace 4 1 16" from the bottom of the top ring. Check our ebay store as we sell the tongs for this item also. The tong in the photos is not included. Check our store for all your Silver & Gold