Share You are here : Home > Resource Centre > Stone & Worktop Glossary

Get Quote Now!

The Stone & Worktop Glossary


Decisions are more informed with knowledge!

The jargon used in defining stone terms can often become quite convoluted. The purpose of this section is to try to offer a clear explanation, in layman’s English, of the most common definitions relating to stone, worktops as a whole and their fabrication.

If you are looking for an explanation of a term not contained here please feel free to contact us and we will be happy to try to assist you.

Happy reading!

Various locations we are serving:

Granite Worktops London,Granite Worktops Herefordshire,Granite Worktops Buckinghamshire,Granite Worktops Gloucestershire,Granite Worktops Cheshire,Granite Worktops Surrey,Granite Worktops Berkshire,Granite Worktops Swansea,Granite Worktops Derbyshire,Granite Worktops Sussex

Click The Letters To Get To The Word You Are Looking For

Stone And Worktop Terms Beginning With The Letter A


To cut away so as to leave parts in relief.

Abrasion Resistance

The goods or property of a surface by which it resists being worn away as a result of friction.

Abrasive Finish

A surface stone finish, generally for marble, that does not reflect that is recommended more for external use

Abrasive Hardness (Ha)

Refers to the wearing qualities of stone for floors, stair treads and similar uses subjected to abrasion by foot traffic.


A test method for stone from the American Society of Testing and Materials (ASTM). Absorption is the percentage of moisture absorption by weight. The process by which a liquid is taken into (soaked up by) another substance and held there. The weight of water a brick unit absorbs, when immersed in either cold or boiling water for a stated length of time, expressed as a percentage of weight of the dry unit.


The supporting wall or pier that receives the thrust of an arch; a solid stone springer at the lowest point of an arch, vault or beam.


A material or substance used to speed the setting of mortar, epoxy, and polyester resins.

Acrylic Resin

See polyester resion.


Resins consequential from the polymerization of derivatives of acrylic acids as well as esters of acrylic acid, methacrylic acid, acrylonitrite, and their copolymers. They can be carried in a water or solvent solution and they are film-forming materials.

Active Solids

Ingredients of a coating composition which are deposited following co-reaction or reaction with the substrate. Active solids are typically measured as a weight percent of the total.


A surface veneer that is affixed and attach through adhesion to a suitable bonding item applied to a suitable substrate.

Adhesive, Organic

See mastic.


Chemical additives included in the mixing batch for concrete manufacture or applied to the surface during the curing or setting process of the concrete, which variously accelerate or retard the curing time, provide coloring, waterproofing, tearing, special aggregate finishes fillers, etc…


A volcanic quartz-based stone containing a variety of colored aggregates and pumice in a quartz matrix. Quarried in Mexico and available in several colors.


A wood or metal rack built in the shape of an “A” on which big stone slabs are shipped and stored.


A variegated variety or quartz allowing colored bands or other markings (clouded, moss-like, etc…).


A man-made produce fabricated to look like quarried stone. Typically composed of stone chips or fragments embedded in a matrix of mortar or thermosetting resins.


Materials that are added to mortar or grout at time of mixing to impart special properties to the mortar or grout; quantities of loose fragments of rock or mineral.


A fine grained, translucent variety of gypsum, generally white in color. May be cut and carved easily with a knife or saw. The term is often incorrectly applied to fine-grained marble.


A table form; the centre of most liturgical places of worship.

Altar Rail

A railing across the chancel, or in front of the altar.


See reredos.


Any project involving change of, or addition to, an existing building.

Aluminium Stearate

Complicated salt or soap of aluminium and satiric acid. Used as a flattering and ant settling agent for pigments in paint and varnish, water repellents and cement additives.

Ambient Temperature

Temperature of the neighbouring environment.


One of the two pulpits or raised stands, usually stone, used in Christian churches.


Metal device for securing dimensional stone to a structure or back-up walls.


The means by which slabs are fitted to a self-supporting structure.


Stonework form including round and flat stock.

Angle Iron

A structural steel angle; used for lintels to support masonry over openings, such as doors, windows or fireplaces.


A hydrate which has given up all its previously held water molecules.


An usually dark-colored igneous rock consisting mostly or entirely of calcic plagioclase.


Top or peak of a pyramidal or conical form.

Apex Stone

Top stone of gable, spire, or pediment.


A trim piece under a projecting stone top, stool, etc…


A clear white mineral found in calcium carbonate.


A range of arches with their supports; also, a passageway, one side of which is a range of arches supporting a roof.


A curved stone structure resting on supports at both extremities used to sustain weight, to bridge or roof an open space.


Expert in the design of structures and having technical knowledge of their structure.


The science and art of designing and building buildings adapted to their purposes, one which is attractiveness.


Member of an entablature resting on the capitals of columns and supporting the frieze.

Arcuated Construction

Stone masonry in compression, using arch and vault.


The surface built-in with specific boundaries.


a dense sedimentary rock composed mainly of clay and aluminium silicate minerals.


a sandstone containing 10% or more caustic grains of feldspar. Also called arkosic sandstone, feldspathic sandstone.

Aromatic Solvents

Hydrocarbon solvents comprised of organic compounds which contain an unsaturated ring of carbon atoms, including benzene, naphthalene and their derivatives.


The angle, corner, or edge made by the meeting of two surfaces; the edge of external angle. A natural or applied line on the stone from which all the leveling and plumbing is measured.

Artificial Marble

 A man-made product that may look like natural quarried marble, sometimes composed of thermosetting resins as a matrix and fillers.

Artificial Stone

A substitute for natural stone made by casting selected aggregates and cement in molds.


A class of masonry consisting of blocks of accurately dresed, cut, squared, and finished stone, faced and with clean sharp arrises, forming perfect courses, laid in mortar. Sometimes the term coursed ashlar is used for stones having the same height within each course, but with each course varying in height. The term random ashlar is also sometimes used for rectangular stones that appear to be laid without a specific pattern.


The open roofed entrance court of a building.


The surface finish produced by means of masonry axe tool.


An make-believe line in plan or elevation dividing symmetrical parts.

Site Map | Login | Privacy Statement | Copyright 2018 Stone Hub Ltd t/a The Worktop Factory