Genuine and natural obsidian
Jet black, for the highest contrast
Smooth surface is the best way to test gold
Convenient 6'' x 2'' surface size

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.3 inch
Height : 1.5 inch
Length : 5.9 inch

Item Weight: 6.4 ounce (View shipping rates and policies)
Shipping Weight: 6.4 ounce (View shipping rates and policies)

ASIN : B00MABF3QS