Opal Opalite Glass Tile Chipped Block Slab for Flint Knapping Cab

This listing features an Opal Opalite glass tile chipped block slab suited for flint knapping, cabbing, or related lapidary/collectibles uses. The item is listed as New. Exact dimensions, weight, and any included pieces are not provided here—check the listing for details. It ships with Free Shipping, which can help simplify total cost. Review the photos and full description on the listing page to confirm the material, finish, and any edge chipping before purchase.

Before you buy

• Ungraded cards can vary—zoom in on photos for surface, corners, and centering.
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This block is an example of the one you will receiveThere may be chips and nicks off the sides as they are not packaged well from China. The photos are taken outside. The fourth photo I wanted to show opalescence with it backlit by the sun. These blocks measure approx 4 1/4" x 4 1/4" x 1 1/8" It weighs approx 2 pounds This glass was made to resemble real opal. It has a luminous moon-like glow to it. This material is easily knappable and behaves like glass. It contains a high amount of phosphorus to make it look like Milk Opal. THE LAST PHOTOS SHOWS EXAMPLES OF HOW THIS MATERIAL KNAPS AND IS NOT INCLUDED IN SALE We have been selling rough rock and slabs in Quartzsite, Arizona for over 20 years. Thanks for looking