This cabochon of Pinolith has beautiful patterns. It's a "classic" black and white. Pinolith is a gem that is made up of magnetite and dolomite forms such unique patterns. This material is from the mines of Austria. Pinolith is also called Pinolite and is considered a rare gemstone that was mined during World War II for its high Manganese content. Its named for its semblance to white pine kernels that shows the matrix ranging from gray to black.
Flat polished beveled back