2 Lb Lab/Assay Silica Sand 70 Meah (Quartz) for Gold & Silver Smelting Flux jewelry This Mold is great for

This Mold is great for making old style loaf bars

• Sheet Size: 3” x 1- 3/4” x 11/64”

The Determination of Silver in Ores

This ad is for 1 MYOGB-9-240 - specs are as follows

• Stackable Design

2 Lb Lab/Assay Silica Sand 70 Meah (Quartz) for Gold & Silver Smelting Flux jewelry This Mold is great forThis 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