The Ternitz Grobkorn Conglomerate from Austria is primarily a type of building stone that is commonly used for exterior cladding, flooring, and landscaping. It may also be used for some interior applications, such as feature walls and fireplace surrounds, but it might not be the most suitable choice for a bathroom due to its characteristics.

Using Ternitz Grobkorn Conglomerate in a bathroom could have some drawbacks. Firstly, it is a natural stone, which means it is porous and can absorb water if not properly sealed. In a wet environment like a bathroom, moisture resistance is crucial, and natural stones usually require regular sealing to prevent water damage and staining.

Additionally, Grobkorn Conglomerate might have a rougher texture and coarser grain compared to other more commonly used bathroom materials like ceramic tiles or porcelain. This texture could make it more challenging to clean and maintain over time.

Considering these factors, it is generally recommended to use materials specifically designed for bathroom environments, such as glazed ceramic or porcelain tiles, which are known for their water resistance, durability, and ease of maintenance.