This is a piece of Slaughter Mountain Fire Agate #A1. It is extremely high-quality, showing a vast array of bright and intense colors. This piece qualifies as an Imperial Grade stone. It measures 73×41×40 mm and weighs 135 grams (4.76 oz) 
 Slaughter Mountain Fire Agate is one of the most desirable types. This piece came from an old collection. These colors are commonly associated with stones mined in the early 80s.