Yes, United Statess Taconite Calcarenite can be used in a bathroom. Taconite Calcarenite is a type of sedimentary rock that is durable and commonly used in various construction applications, including bathroom remodels. It can be used for bathroom countertops, flooring, shower walls, or other decorative purposes. However, it is important to note that the suitability of any material for a specific bathroom application may depend on factors such as sealing, maintenance, and personal preferences.