Stone which has been extracted from the earth by means of man power and machines.
Company or person that extracts natural stone from a quarry.
1. The physical site, open or underground, where stone is extracted from the earth.
2. The process of extracting stone from open pit or underground mine.
Generally, a piece of rough stone as it comes from a quarry, generally dressed or wire sawed to the shape of a rectangular prism (having three pairs of roughly parallel faces) for shipment.
A term used by some producers to mean the lot of material has not been culled or otherwise limited for range of color and/or features, and includes the entire spectrum of material that is yielded by that particular deposit.
A term used by the limestone industry to describe the natural moisture in freshly quarried stone.
A silicon dioxide mineral that occurs in colorless and transparent or colored hexagonal crystals or in crystalline masses. One of the hardest minerals of abundance in stones such as sandstone, granite, and quartzite.
A dimension stone group that includes both sedimentary (as in sandstone) or metamorphic (as in quartzite) stones and are characteristically high in free silica content. Definitions of the classes of stone which form the quartz based stone group are explained in ASTM C119.
A dense, hard metamorphic quartz based stone typically formed from sandstone. In some deposits, intrusion of minerals during the formation process creates unusual coloration. See ASTM C119.
A variety of sandstone including higher content of free silica and siliceous cements than typical quartz-based sandstones.
An external corner formed by two stone panels with beveled (usually 45°) edges and blunted, finished noses to reduce the chipping vulnerability of the sharp edges that occur with a common miter.
One of the decorative dressed stones or bricks used at the corner of a building. Quoins are usually laid so their faces are alternately large and small.