Picture Jasper Variety of Mudstone
An impressive picture jasper cabochon with distinctive colour and markings. Please check the measurements of this stone because it's a very large piece. It has been finely cut so is not at all chunky.
Picture jasper is a variety of mudstone found in many locations around the world. This piece was cut from material mined in the United States.
The markings in picture jasper are unique to the geographic region where it was found.
With jasper being a type of quartz it's relatively hard which makes it ideal for cutting.
This front of this picture jasper stone boasts an exceptional polish. The back is unpolished so exhibits a dull lustre. The terms vitreous and dull describe the way light interacts with the surface of the stone.
Stones with a vitreous lustre reflect light whereas those with a dull lustre absorb it.