Show off your love for geology with this fun and stylish t-shirt. This black t-shirt features a playful graphic of three different rocks, each labeled with their names: Gneiss, Tuff, and Wacke. The design is sure to spark conversations and showcase your passion for earth science. The shirt appears to be made from a comfortable fabric, perfect for everyday wear. Ideal for geologists, geology students, rock collectors, or anyone who appreciates a good pun. Makes a great gift for birthdays, holidays, or just because!