Rosetta Lace sphere 3.25 in Agatized dinosaur bone (often called

Agatized dinosaur bone (often called "gembone") from Utah is fossilized bone where cellular structure has been replaced by silica-rich minerals like agate

Polka Dot Agate is so named for it's polka dot pattern

It does have what appears to be a chipped spot at the top which is actually an exposed quartz pocket

contains minerals like uranium or manganese that cause it to glow vibrant colors (like green or blue) under ultraviolet (UV) light

Rosetta Lace sphere 3.25 in Agatized dinosaur bone (often called2. 6lbs. 92mm or 3. 75" approximately. Rosetta lace jasper sphere. Material is out of Mexico. A subvariety of Mexicos famous Crazy Lace Agate, Rosetta lace agate was actually the first ever mined pieces of Crazy lace mined in the 1950s! Unlike the crazy, sporadic banding of crazy lace, Rosetta lace has more muted, swirly, watercolor like patterns. It has the same scarlett, cream, and white coloring as high quality crazy lace as well!