
1) Industrial mineral
Found on
https://www.crosswordclues.com/clue/dimension-stone

Dimension stone is natural stone or rock that has been selected and fabricated (i.e., trimmed, cut, drilled, ground, or other) to specific sizes or shapes. Color, texture and pattern, and surface finish of the stone are also normal requirements. Another important selection criterion is durability: the time measure of the ability of dimension stone...
Found on
http://en.wikipedia.org/wiki/Dimension_stone

(from the article `gabbro`) ...is often remarkably homogeneous in mineralogy and composition, gabbros are exceedingly variable. Gabbros are found widely on the Earth and on the ... place where dimension stone or aggregate (sand, gravel, crushed rock) is mined. The products of dimension stone quarries are prismatic blocks of rock ... ...
Found on
http://www.britannica.com/eb/a-z/d/50

Large blocks of stone used in foundations
Found on
http://www.encyclo.co.uk/local/22203

Quarried stones, generally two feet or more square, of a specified thickness and usually with one or more mechanically dressed surfaces.
Found on
https://www.encyclo.co.uk/local/22191

quarried and squared stone 2 ft. (0.6 m) or more in length and width and of specified thickness.
Found on
https://www.infoplease.com/dictionary/dimension-stone
No exact match found.