Proventus is a global distributor and supplier of natural rock and mineral products. Our specialties include decorative and landscape materials including many unusual items like red, yellow and a special Jasper blend, black and large snowflake Obsidian, iron-stained cobbles and river pebbles, with many new items coming soon. We also specialize in industrial minerals including Calcium Carbonate and Limestone for use in the steel, concrete, fertilizer, paint, food, pharmaceutical and other related industries.