ESTIMATING GUIDE FOR LANDSCAPE BOULDERS AND SLABS

This chart can be used as a guide for estimating job requirements for stone types with various densities.
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Geology Trade Names Weight per Cu.Ft.
     
Sandstone Antique Red ™ 150
  Antique Blend ™ 150
  Foxfield Blend ® 160
  Huntington Gray ® 150
     
Limestone Alverson Limestone ® 165
  Harvest Gold ™ 165
     
Granite Arcadian ™ 170
  Furnace Hill ™ 170
  French Creek ™ 190
     
Expanded Obsidian Featherock 40
     

This illustration shows weight relationships of spherical and cubical shapes of increasing dimensions.