These nodules have two unique features: beautiful exterior nodule host rock as well as stunning interiors. The outside host rock has a nice range of colors with potential "windows" showing the chalcedony. The inside will have a variety of possibilities: unique fortification, star, waterline, mossy or geode. The vast majority of this lot are full nodules with little breakage. Country of Origin: Sierra Mountains between Aguascalientes and Zacatecas, Mexico Color range: yellow, blueish white, red, lilac (rare) Material: Rhyolite with some jasper, agate, chalcedony (depending on piece) Use: Slabs, Cabochons, Polished Face, Raw Collection Size Range: X-Large Size Range in Variations, average size of 2" - 7"+ Pictured both wet and dry to show the contrasting colors as well as what they will look once polished