Term | Definition |
---|---|
Limestone | A sedimentary rock composed of calcium carbonate; includes many varieties. (See oolitic limestone; dolomitic limestone; crystalline limestone). 224 |
Liners | Structurally sound sections of marble that are cemented to the back of marble veneer slabs to give greater strength, additional bearing surface, or to increase joint depth. 227 |
Lintel | A stone beam or horizontal member spanning the top of an opening, such as a doorway or window, and supporting the wall above it. 230 |
Lippage | A condition when one edge of a stone is higher than the adjacent edge. |
Lug Sill | A stone sill set into the jambs on each side of a masonry opening. 236 |
Machine Finish | Standard surface treatment produced by mechanized planers. 239 |
Machine Pitch Faced | See HAND PITCH FACED. |
Marble | A metamorphic rock composed essentially of calcite and/or dolomite, generally a recrystallization of limestone to marble. 245 |
Masonry | Built up construction, usually a combination of materials set in mortar. 256 |
Metamorphism | The change or alteration in a rock caused by exterior agencies, such as deep-seated heat and pressure, or intrusion of rock materials. 259 |
Miter | The junction of two units at an angle, in which the junction line usually bisects at 45-degrees. |
Modular Or Multiple Cut (Also Pattern Cut) | Standard patterns used throughout the stone industry, usually based on multiples of a given height. Stone that is multiple cut or pattern cut is pre-cut to allow typically for 1/4" or 1/2" joints or beds. 265 |
Molding | Decorative stone used to introduce variety in profile and contour, deviating from a plane surface by projections, curved profiles, recesses, or any combination thereof. 268 |
Mortar | A plastic mixture of cement, lime, sand, and water, used to bond masonry units. 271 |
Mosaic | A pattern formed by inlaying tesserae, or small pieces of stone, tile or other material into a cement, plaster or mortar matrix. 274 |
Multiple Cut | See MODULAR CUT. |
Natural Bed | The setting of the stone on the same plane as it was formed in the ground. This generally applies to all stratified materials. 93 |
Natural Cleft | This generally pertains to stones which are formed in layers in the ground. When such stones are cleaved or separated along a natural seam the remaining surface is referred to as a natural cleft surface. 96 |
Non-Staining Mortar | Mortar composed of materials that individually or collectively do not contain material which will stain; usually has a very low alkali content. 99 |
Obsidian | A hard, dark-colored glassy phase of lava. 102 |
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