If an object made of normal matter were to come into contact with an environment of pure antimatter, it would lead to a process known as annihilation. Annihilation occurs when matter and antimatter particles collide, resulting in the conversion of their mass into energy.
When a particle of normal matter encounters its corresponding antiparticle of antimatter, they annihilate each other, releasing a tremendous amount of energy. This energy is typically emitted in the form of high-energy photons, such as gamma rays, which are extremely energetic electromagnetic radiation.
The annihilation process is highly efficient and results in the complete conversion of mass into energy according to Einstein's famous equation E=mc², where E represents energy, m represents mass, and c represents the speed of light.
The specific consequences of the annihilation process would depend on the amount of antimatter involved and the size of the object made of normal matter. However, it is safe to say that the interaction would generate an extremely powerful explosion, releasing an enormous amount of energy.
The destructive effects would be devastating, with the energy released causing immediate destruction of the object and producing a shockwave capable of causing extensive damage in the surrounding area. The release of gamma rays could also be hazardous, potentially causing harm to living organisms and damaging structures.
It is worth noting that creating and containing significant amounts of antimatter is currently beyond our technological capabilities due to the challenges involved in its production and storage. Consequently, the scenario of an object made of normal matter coming into contact with an environment of pure antimatter is purely hypothetical and primarily explored within the realm of science fiction.