Moon rocks are completely different from rocks native to Earth. Their mineral content is unique and they show distinctive signs of exposure to the solar wind, cosmic rays and meteoroid impacts. To a trained geologist there's no mistaking a Moon rock. But you don't have to take the word of an expert. There are museums in the United States where you can inspect Moon rocks for yourself and see the distinctive meteoroid impact pits that pepper nearly all rocks from the Moon.
Every single researcher agrees that the Apollo Moon rocks are genuine.
The most famous participants in the Apollo program are the twelve astronauts who walked on the Moon. And they're not the only ones. Approximately 360,000 scientists, engineers, civil servants and contractors worked on the Apollo program. They designed the rockets, sewed the space suits, cut the pay checks, guarded the doors, swept the floors and much more. These hundreds of thousands of people from all walks of life can testify that the Apollo program was real.