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SAND BLASTED
A matte-textured surface finish with no gloss, finished by application of pressure

SANDSTONE
Arenaceous sedimentary rock composed mainly of quartz with feldspar as a possible minor component. Sandstones are clastic in origin (opposed to organic or chemical) and the binding agents are mostly calcite, clay and silica. See quartz-based stone

SAWED EDGE
A clean-cut edge generally achieved by cutting with a diamond blade, gang saw, or wire saw

SAWED FINISH
A finish obtained from the process used in producing blocks, slabs, or other units of building stone. It varies in texture from smooth to rough, and is typically named for the type of material used in sawing, e.g. diamond sawn, sand sawn, chat sawn, and shot sawn

SEALING
1. To make a veneer joint watertight with an elastic adhesive compound. 2. Application of a below surface treatment to retard staining

SEDIMENTARY STONES
Rocks formed of sediments laid down in successive strata or layers. The materials of which they are formed are derived from preexisting rocks or the skeletal remains of sea creatures

SERPENTINE
Hydrous Magnesium Iron Phyllosilicate [(Mg, Fe)3 Si2 O5 (OH)4] The main mineral composing most green marbles and ophicalcite. Serpentine-based rocks are called Serpentinite. A hydrous magnesium silicate material; generally dark green in color with markings of white, light green, or black. Considered commercially as a marble because it can be polished

SETTER
An experienced journeyman who installs dimension stone

SHALE
A fine grain sedimentary rock formed by the compaction of clay, silt or mud. It has a finely laminated structure which causes the stone to split readily, especially on weathered surfaces. It is commonly sold as slate though shale is not as hard as slate. It may be red, black, brown or gray

SLATE
Low-grade regional metamorphism of pelitic sediments of shale, mudstone or fine-grained tuff

SOUNDNESS
A property of stone used to describe relative freedom from cracks, faults, voids, and similar imperfections found in untreated stone. One of the characteristics encountered in fabrication

SPALL
A chip or splinter separated from the main mass of a stone

STUNNED CRYSTALS, (MARKS)
Permanent damage occurring on the crystals of true geological marble when subjected to high stress. They appear like whitish, deep marking under the surface of the stone