Brockman Jasper is a form of Jasper that comes from the Brockman Tiger Eye Mine in Australia. It is often rich in iron, and can even sometimes have Tiger Eye veins within it. It is often a beautiful blue, green, and black Jasper. It tends to take a pretty good polish, and can work into some truly unique cabs!
Measurements (inches - longest - approx): 4.4 x 2.9 x .22
The last photo has been taken dry so that you may see any defects. The other photos have been taken wet to simulate a polish.