Fragments of concrete

Adhesive bond strength test sample and assembly, unused pebble mosaic and thin sections.

Fragments from multiple thesis on the Early Phrygian Gate Gordion, Turkey

Wood from Abu El Numrus that is incompletely burned to form a black powder. Used to increase moisture retention during curing of mortar formulations.[1] [1] Mark M. Goodman, “The Effects of Wood Ash Additive on the Structural Properties of Lime Plaster” (Master’s thesis, University of Pennsylvania, 1998): 66.

Cross sections of marble from Hood Cemetery Gate, Germantown, Philadelphia
Contents:

1. 2 thin sections and bilets of hoodstone (white marble) hoodcrust (framboidal black crust
2. 1 bulk sample laser-cleaned
3. 4 fragments of dry-cleaned, wet-cleaned, and uncleaned (control sample)

Fine sand with no stones

Soil, cement mortars