Mainly consists of calcite and some magnesium. It does not show much graining or crystalline structure. Varies in hardness. Common colors are black, grey, white, yellow or brown. It is more likely to stain than marble.
Limestone is known to contain lime from sea water.
Limestone is extremely popular due to its natural earth-tone colors that coordinate in any environment. Limestone should be protected with either Stoneguard or Aquapel Penetrating Sealers and cleaned on a regular basis with Marbalex. Inc. All rights reserved. Do not duplicate or redistribute in any form.