Yes, Toaroha Schist from New Zealand can be used in an office environment as a building material or for interior design purposes. This type of schist is known for its unique texture and natural beauty, which can add a distinctive touch to an office space. It can be used as flooring, cladding for walls, or even as a feature stone for accents such as fireplace surrounds or reception desks. The choice of using Toaroha Schist in an office would mainly depend on the desired aesthetic and design theme of the space.