2 Lb Lab/Assay Silica Sand 70 Meah (Quartz) for Gold & Silver Smelting Flux jewelry Used in Assaying

Used in Assaying

You will be receiving one cleaning bottle

This Mold is great for making old style loaf bars

These are great Sniffer bottles with a seal between the cap and bottle that the suction tube goes thru to insure the best suction possible

The Flux works great on dirty Jewelry

2 Lb Lab/Assay Silica Sand 70 Meah (Quartz) for Gold & Silver Smelting Flux jewelry Used in AssayingThis is 2 Pounds of Lab Assay Grade Silica 70 Mesh (SiO2, Silicon Dioxide, Sand) Quartz For use as an ingredient of assaying flux (or flux thinner) for melting or smelting gold and other precious metals. Warning!! Always work in a safe ventilated area, use all proper safety gear and follow safety procedures to prevent injury. We at MakeYourOwnGoldBars have no control over how any chemicals are used and equipment is used or in how others follow