Yes, Brazils Jeriba Blue Quartzite can be used outdoors. Quartzite is a metamorphic rock that is highly durable and resistant to weathering, making it suitable for outdoor applications such as patios, walkways, pool decks, and facades. The Jeriba Blue variety, known for its unique blue and grey colors, can add an attractive and natural touch to outdoor spaces. However, it is recommended to seal the quartzite to enhance its resistance to stains and ensure its longevity in outdoor environments.