Crystal White Quartz is a premium aggregate quarried in Northern Ontario. The beauty and hardness of quartz make it ideal for architectural products. Crystal White has recently been selected for large-scale architectural precast projects in the Southeast U.S. Fister Quarries Group. 800-542-7393. www.fisterquarries.com

Eco-friendly aggregate

EnviroGreen Rock is 100% post-industrial reclaimed aggregate, ideal for precast and concrete block. The product line includes Red Conglomerate sand and stone, which uses millions of tons of byproduct from the mining industry; Architectural White Marble that optimizes energy performance with high UV and heat reflectivity; and Black Hematite, made with reclaimed iron range material. Cornerstone Marketing Group. 888-709-5508. www.cornerstoneyard.com

Elemix is composed of innovative polymeric spheres specially formulated for use in concrete. Uniform distribution provides lighter weight and enhanced durability in structural and nonstructural applications. Elemix is a sustainable solution, reducing weight, improving concrete performance, and increasing R-values. Applications include ready-mix in grouts and fills, poured-in-place concrete, elevated decks and toppings, block, and precast elements. Nova Chemicals Corp. 866-275-6682. www.elemix.com

Colorful glass aggregates are perfect for terrazzo style floors, with mineral pigments that create a permanent color. The material is similar in shape and weight to marble, but its fractured, multidimensional surface ensures a secure hold in epoxy or cement. The aggregate has a minimum 98% recycled content, providing a durable, sustainable product. It is available in standard sizes specified by the National Terrazzo and Mosaic Association. Heritage Glass Inc. 435-563-5585. www.heritageglass.net

MagnaDense is a high-density aggregate manufactured from the iron oxide magnetite. It comes in standard grades or can be custom-made for poured and precast heavyweight concrete. The high particle density dampens noise and vibration, shields radiation, and stores thermal energy. It is ideal for tunnels, bridges, and medical radiation facilities, and is available in grades from 30mm to powder fineness. Minelco. 513-322-5530. www.minelco.com.

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