Medicine Bow Dendritic Agate Slab orbicular agate slab This cab is showing billowing

This cab is showing billowing

It’s comprised primarily of iron and phosphate (“sideros” is the Greek word for iron)

The striking tube-shaped forms enc ased within the agate mass were easily fossilized due to their original structural durability

durability

Medicine Bow Dendritic Agate Slab orbicular agate slab This cab is showing billowingThis classic, old stock material comes from an area near Medicine Bow in Albany County, Wyoming. It is one of the best and most renowned sources of dendritic agates in the world. The dendrites are manganese oxides and the surrounding agate can be white, blue, or both. I've heard that the older digs are predominately white agate while the newer stuff is bluer, but am not sure if this is true. This slab is showing dense black plumes surrounding by white