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Abstract

Compositions, tools and methods for the manufacture of construction materials, masonry, solid structures and compositions to facilitate dust control are described. Compositions and methods for the manufacture of pigmented solids structures for which can be used for construction and/or decoration are also described. Manufacturing comprises fixing one or more pigments to an aggregate material such as crushed rock, stone or sand. The pigmented aggregate is incubated with urease or urease producing microorganisms, an amount of a nitrogen source such as urea, and an amount of calcium source such as calcium chloride forming calcite bridges between particles of aggregate. Using selected aggregate and pigment, the process also provides for the manufacture of simulated-stone materials such as clay or granite bricks or blocks, marble counter-tops, and more. Compositions containing microorganisms and pigment as kits that can be added to most any aggregate materials are also described.

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First Claim