This t-shirt is for all those people who love geology! The black tee features a dark, slightly distressed print that reads "THIS IS MY GNEISS CHERT." Ideal for geologists, rockhounds, or anyone who enjoys a good geology pun. Wear it to your next geology club meeting, rock and mineral show, or even just around town. It's a fun and quirky way to show off your love of rocks! This tee is both comfortable and stylish.