Turkish Stick Agate is a rare form of Pseudomorph Agate. It is believes to be agate replaced crystals, and it is from Ankara, Turkey. This unique form of agate creates Tube like needle formation that really creates a captivating scene that can create some crazy cabochons! It is a very hard stone to mine, with a small amount of yield compared to the high demand on the lapidary market. Its very easy to see why this stone is so popular! Measurements (inches - longest - approx): 4.2 x 4.1 x .29 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.