Precious Metal Testing and Verifiers

Sturdy plastic bottles maximize safety and allow the user to easily squeeze out a drop at a time. Go to How to Use Testing Acids for more detailed information. *Shelf life: 6 mos

Sturdy plastic bottles maximize safety and allow the user to easily squeeze out a drop at a time. Go to How to Use Testing Acids for more detailed information. *Shelf life: 9 mos

Economy stone for test acids

This large size natural test stone is used with test acids and test needles to determine the karat value of products. It's ideal for gold testing. This stone offers value and convenience.

This large size natural test stone is used with test acids and test needles to determine the karat value of products. It's ideal for gold testing. This stone offers value and convenience.

Natural obsidian test stones give precise readings when testing for gold purity. Obsidian is a volcanic glass produced when lava becomes cold. It is been used for years to make the sharpest knives. Obsidian test stones, on the contrary to rougher test stones, have a perfectly smooth surface that provides more consistent and reliable readings.

Natural obsidian test stones give precise readings when testing for gold purity. Obsidian is a volcanic glass produced when lava becomes cold. It is been used for years to make the sharpest knives. Obsidian test stones, on the contrary to rougher test stones, have a perfectly smooth surface that provides more consistent and reliable readings.

Natural obsidian test stones give precise readings when testing for gold purity. Obsidian is a volcanic glass produced when lava becomes cold. It is been used for years to make the sharpest knives. Obsidian test stones, on the contrary to rougher test stones, have a perfectly smooth surface that provides more consistent and reliable readings.

Natural obsidian test stones give precise readings when testing for gold purity. Obsidian is a volcanic glass produced when lava becomes cold. It is been used for years to make the sharpest knives. Obsidian test stones, on the contrary to rougher test stones, have a perfectly smooth surface that provides more consistent and reliable readings.

Natural obsidian test stones give precise readings when testing for gold purity. Obsidian is a volcanic glass produced when lava becomes cold. It is been used for years to make the sharpest knives. Obsidian test stones, on the contrary to rougher test stones, have a perfectly smooth surface that provides more consistent and reliable readings.