Mohs Hardness: 3-4. Limestone is a sedimentary rock, most of which is composed of skeletal fragments of marine organisms. Most limestone is made into crushed stone and used as a construction material, including road base construction and as an aggregate in concrete. It is also a necessary ingredient in the process of purifying molten glass and steel.
The University of Toledo
Digital Initiatives, University of Toledo Libraries
environmental sciences; virtual exhibitions
UT Department of Environmental Sciences
virtual exhibition; science;
No Copyright - United States. URI: http://rightsstatements.org/vocab/NoC-US/1.0/
The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.