Stone

Stone

A piece of rock that is quarried then worked into a specific size or shape to serve a function as a useful building or paving material.

Industry: Building materials

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Stone

Generally speaking, strip rubble comes from a ledge quarry. The beds of the stone, while uniformly straight, are of the natural cleft as the stone is removed from the ledge, and then split by machine ...

Lewis holes

Building materials; Stone

Holes in cut stones for lifting and support during the setting of cut stones and sometimes for permanent support. Holes are checked for the particular lewis (lifting device or hook) to be used.

Jumper

Building materials; Stone

In ashlar patterns, a piece of stone of higher rise than adjacent stones, used to end a horizontal mortar joint at the point where it is set.

Phenocryst

Building materials; Stone

In igneous rocks, the relatively large and conspicuous crystals, in a finer-grained matrix or ground-mass.

Riprap

Building materials; Stone

Irregular broken and randomly sized pieces of rock used for facing bridge abutments and fills; stone thrown together without order to form a foundation, breakwater or sustaining wall.