Henri Gray Terrazzo PlaymatHenri Gray Terrazzo Mat In fifteenth century Venice, marble workers pressed bits of leftover marble into the clay floors of their terraces. The result was gorgeous and colorful but also durable. This became known as terrazzo. It spread across Europe and to America. Even George Washington was a fan! Many of the rooms in Mount Vernon feature terrazzo flooring. Today it continues to be a part of contemporary design. Like its ancient forebear, our modern