Mystery Rhyolite Slab - Thunderegg Bed Material cabochon rough Mexico This neat smaller slab features

This neat smaller slab features darker composition of green

please be sure to check with us first and include a note within the order specifying the size you are seeking and we will do our best

Brazilian Agate has a very high silica content

displaying white void-filled formations that resemble peanuts throughout

• Material: Natural Montana Agate

Mystery Rhyolite Slab - Thunderegg Bed Material cabochon rough Mexico This neat smaller slab featuresMystery Rhyolite Slab Thunderegg Bed Pattern Old Stock Unknown Origin This stunning old stock rhyolite slab came from a collection of unknown origin. The material resembles the type of rhyolite found near thunderegg beds, suggesting it may come from a volcanic region known for thunderegg production. It should cab nicely and produce some attractive cabochons with good lapidary potential. SPECIFICATIONS Material: Natural Rhyolite Dimensions: 87mm x 82mm