Yes, Brazils Black Lightning Quartzite can be used outdoors. Quartzite is a metamorphic rock that is highly resistant to weathering, making it suitable for outdoor applications such as countertops, paving, wall cladding, and even pool decks. It is durable, has a high compressive strength, and is able to withstand various climatic conditions. Additionally, the black lightning coloration of this quartzite can add a visually striking and unique touch to outdoor spaces.