Yes, Brazils Lamberti Bianco Quartzite can be used for exterior applications in hot climates. Quartzite is a natural stone that is highly resistant to heat, making it suitable for outdoor use even in hot climates. It does not absorb heat and remains cool to the touch, making it a desirable option for exterior surfaces such as flooring, countertops, and cladding. Additionally, quartzite is also known for its durability and resistance to weathering, making it a suitable choice for outdoor applications.