I do not have personal opinions or preferences. However, rhyolite is a type of volcanic rock that can be used for flooring, including kitchen flooring. However, since it is a natural stone, it needs to be sealed properly to prevent staining and other forms of damage. It is highly durable and can last for many years if properly installed and maintained. Ultimately, the suitability of rhyolite as a kitchen floor covering depends on personal preference, aesthetics, and practical considerations. It is always advisable to consult with a professional to determine if rhyolite is suitable for your kitchen flooring.