Leopard Skin Rhyolite Rough Chunk! Petrified Wood allowing the magnetite/flash to shine

allowing the magnetite/flash to shine through

mainly composed of opal and silica

Mexican Velvet Obsidian can also be tumbled with great results

Rainbow Obsidian

Leopard Skin Rhyolite Rough Chunk! Petrified Wood allowing the magnetite/flash to shineLeopard Skin Rhyolite is a depleted volcanic rhyolite formation that tends to be very solid and takes a great polish! It is well known for its oolitic like appearance of tiny orb like structures, and its blend of an interesting pattern and colors which form leopard print like patterns. This material is getting pretty hard to come by, and when you see it, you certainly don't want to pass it up! Leopard Skin Rhyolite tends to work up very well! Weight: