Isaac Kremer/ January 14, 2018/ / 0 comments

A dense, fine-grained stone; a form of silica; naturally occurs in the form of nodules; usually gray, brown, black, or otherwise dark in color, but nodules and other chunks tend to weather white or light shades from the surface inward. Broken “flints,” as the nodules are called, are used in cobble size, either whole or split (knapped) in mortared walls, especially in England.

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About Isaac Kremer

Isaac Kremer is a transformational leader with a track record of success revitalizing downtowns in the United States. He has written and spoken extensively. He's always on the lookout for new and innovative ideas to unlock the potential of downtown areas.

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