Stone Glossary

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Term Definition
Face

The exposed portion of a stone; also refers to the edge treatment on various cutting stock materials.

Faced

See VENEER.

Fascia

A flat, relatively narrow horizontal belt in an architrave or used in combination with moldings.

Field Stone

Loose blocks separated from ledges by natural processes and scattered through or upon the regolith (soil) cover; applied also to similar transported materials, such as glacial boulders and cobbles.

Fines

The powder, dust, silt-size, and sand-size material resulting from processing (usually crushing) rock.

Finishes

Surface treatments, commonly available as:

Smooth - machine finished by saw, grinder or planer. Honed - dull sheen, without reflections. Polished - mirror gloss with sharp reflections. Machine Tooled - 4-cut, 6-cut, chiseled, axed, pointed, etc. Chat Sawn - irregular and uneven markings. Split Face - concave-convex. Rock Face - convex. Thermal - plane surface with flame finish applied by mechanically controlled means to create surface coarseness

Special finishes of many kinds are available to meet design requirements.

Flagstone

Thin slabs of stone used for flagging or paving walks, driveways, patios, etc.; generally fine-grained sandstone, bluestone, quartzite or slate although other stones may be used.

Freestone

A stone that may be cut freely in any direction without fracture or splitting.

Frieze

A horizontal belt course sometimes decorated with sculptural relief, occurring directly under a cornice.

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