JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website.
Call Us: 1 (800) 433-5544
Item# M-51-262
Be the first to review this product
Sign up for price alert
Our natural obsidian testing stones have are the perfect stone for acid testing. These stones are smooth to the touch, yet provide a clear testing mark when you scratch the surface with the same piece. This will provide you with more consistent and reliable readings.
These products can expose you to chemicals including one or more of the following: Tetrabromobisphenol A (TBBPA), Bisphenol A (BPA), and Di(2-ethylhexyl)phthalate (DEHP) which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information,go to www.P65Warnings.ca.gov
How to Conduct an Acid Scratch Test
Check items to add to the cart or select all
If you have an account with us, log in using your email address.
* Required Fields
By creating an account with our store, you will be able to move through the checkout process faster, store multiple shipping addresses, view and track your orders in your account and more.