Properties of Felsite and Websterite play an important role in determining the type of rock. Along with Felsite vs Websterite properties, get to know more about Felsite Definition and Websterite Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Felsite and Websterite.