Paving: Because they are incredibly hard and weather-resistant, they are perfect for high-traffic driveways, walkways, and patios.
Exterior Facing: Used as a veneer or siding for buildings due to their resistance to acid rain and environmental wear.
Heat Features: Excellent for fireplace surrounds because of their natural volcanic thermal stability.
Accents: Often used in landscaping (retaining walls or garden borders) for a clean, minimalist aesthetic.
Restoration: Crucial for repairing historic stone structures where matching the original volcanic geology is necessary.