What is the shiny specks found in many different rocks?

The shiny specks found in many different rocks are often minerals such as mica, quartz, or pyrite. Mica is known for its shimmering appearance and is commonly found in metamorphic rocks, while quartz can appear as shiny grains in various rock types. Pyrite, also known as "fool's gold," has a metallic luster and can be found in sedimentary and metamorphic rocks. These minerals contribute to the visual appeal and texture of the rocks they inhabit.