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Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

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Search by state, country, classification, source, wall number or description.

Wall Number Country State Classification Source Description
10LA30 United States Maine Diabase Vinal Haven dark gray, fine grain, olivine
8LA22 United States Massachusetts Diabase Somerville gray, coarse grain
5LA33 United States Minnesota Diabase Duluth dark gray, fine grain, trap rock
6LB35 United States Minnesota Diabase Two Harbor Bay nearly black, fine grain
8LA23 United States Massachusetts Diabase Medford dark gray, coarse grain
9Lb38 United States Oregon Diabase Ashland nearly black, fine grain, compact
9Lb39 United States Oregon Diabase Albany region gray, medium grain, compact
10RA44 United States New Jersey Diabase W. New York gray, fine grain
5RB27 United States Maine Diabase Addison dark gray, fine grain, Devonian
8LA27 United States Maine Diabase Addison Point dark gray, fine grain, olivine
5LB25 United States Maine Diabase Addison Point dark gray, fine grain, olivine
6RB10 United States Pennsylvania Diabase St. Peters dark gray, medium grain, compact, St Peters Granite
10RB46 United States New Jersey Diabase Jersey City nearly black, fine grain
5RA43 United States New Jersey Diabase Weehawken dark gray, fine grain
5RB16 United States Massachusetts Diabase E. Longmeadow dark gray, fine grain, Mesozoic
6LB14 United States Pennsylvania Diabase Collins Station Lancaster Co. dark gray, fine grain, Mesozoic
6LB43 United States New Jersey Diabase Lambertville dark gray, fine grain
6RB14 United States Pennsylvania Diabase Reading nearly black, fine grain
6RB43 United States New Jersey Diabase Rocky Hill dark gray, very fine grain
11Lb36 United States Virginia Diabase Catlett's Station dark gray, fine grain, Mesozoic diabase
11RB31 United States Virginia Diabase Leesburg dark gray, fine grain, Mesozoic diabase
5LA42 United States New Jersey Diabase Rock Church gray, fine grain
5RB33 United States Minnesota Diabase Taylor's Falls nearly black, fine grain, olivine
6LB16 United States Pennsylvania Diabase Gettysburg gray, fine grain
6RB16 United States Pennsylvania Diabase Round Top Gettysburg gray, fine grain, porous, Mesozoic
8La19 United States Pennsylvania Diabase Goldsboro gray, fine grain
10LA42 United States New Jersey Diabase Jersey City dark gray, fine grain
5RB35 United States Connecticut Diabase New Haven dark gray, fine grain, Mesozoic
6La19 United States Pennsylvania Quartz Pine Grove dull-red, coarse grainy, quartz porphyry
7LB23 United States North Carolina Quartz Charlotte white, dark-spotted, Leopard Rock, Porphyritic
10LA35 United States Minnesota Quartz Duluth reddish-brown, fine grain, compact, porphyry
11RB40 United States Wisconsin Quartz Brandon nearly black, coarse grain, compact, Porphyritic
5RB28 Austria Quartz South Tyrol reddish, white-spotted, medium grainquartz, Porphyritic
10RB49 United States Wisconsin Quartz Marquette dark gray, coarse grain, compact, Porphyritic
5LA27 Austria Quartz South Tyrol Red, spotted with white, medium grain, Porphyritic
5RB34 United States Minnesota Quartz Lake Co. dull-red, fine grain, compact, porphyry
10LB16 United States Pennsylvania Serpentine W. Chester green, coarse grain, impure
7RA38 United States Maryland Serpentine Dublin Borough light green, variegated
6RB9 United States Pennsylvania Serpentine Chester green, coarse grain, impure
9LA37 Unknown Serpentine
8LB41 United States Maryland Serpentine Dublin Borough light green, variegated
9LB25 United States North Carolina Serpentine Reem's Creek dark brownish-green, light-green specks
5LB24 United States Maine Serpentine Deer Island black, compact
10LA36 England Serpentine Cadgwith Dist. Cornwall olive green, red-veined
10LB49 United States New Mexico Serpentine Grant County Gila River green and white-banded, fine grain, Riccolite
7LA37 United States Maryland Serpentine Deer Creek dark-green, fine grain, compact
11RB43 United States New Mexico Serpentine Grant County Gila River green and white-banded, fine grain, Riccolite
6RB41 United States Maryland Serpentine Dublin Borough dark and light-green, variegated
7LA38 United States Maryland Serpentine Baltimore dark-green, fine grain, compact
11RB44 United States New Mexico Serpentine Grant County Gila River cut from same block as 11RB43, green and white-banded, fine grain, Riccolite
7RA45 United States New Mexico Serpentine Grant County Gila River green and white-banded, fine grain, Riccolite
8Lb18 United States Pennsylvania Serpentine W. Chester green, coarse grain, impure
10RB50 United States New Mexico Serpentine Grant County Gila River cut from same block as 10LB49, green and white-banded, fine grain, Riccolite
5lb46 Argentina Serpentine Unknown Dull-red and white, coarse grain
7RB38 United States Maryland Serpentine Dublin Borough dark and light-green, variegated
10LA38 Mexico Dacite Mexico State reddish-brown, fine grain, porous
6rb33 United States Colorado Tuff Castle rock light gray, fine grain, rhyolite
8RA38 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
6RB37 Mexico Tuff Oaxaca State brown, white-mottled, fine grain, porous
6LB38 Mexico Tuff Morelos State light reddish-brown, fine grain, compact
6RA37 Mexico Tuff Zacatecas State pinkish, fine grain, compact, rhyolite
6RB38 Mexico Tuff Huehutoca Red, coarse grain, rhyolite
6LA38 Mexico Tuff Oaxaca State light green, fine grain, compact rhyolite
7LA36 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
7RB45 United States New Mexico Tuff Santa Fe light gray, fine grain, rhyolite tuff* (used in Santa Fe Cathedral)
5LB28 United States California Tuff Cordelia gray, coarse andesite
5RB30 United States California Tuff Lordsburg dull-red, fine grain, compact, basalt
10LA40 Mexico Tuff Zacatecas State buff, brown-banded, fine grain, compact
10LA41 Mexico Tuff Zacatecas State greenish-gray, fine grain, compact, rhyolite
7Lb18 United States Pennsylvania Gneiss Chester gray, coarse grain, biotite
7LB33 United States Connecticut Gneiss Haddam dark gray, fine grain, hornblende-biotite
7Lb34 United States Connecticut Gneiss Sterling gray, coarse grain, biotite-muscovite
8RA22 United States Massachusetts Gneiss Becket pink-gray, fine grain, biotite-muscovite
8RB38 United States Maryland Gneiss Ilchester dark gray, fine grain, Laurentian hornblende
1L1 United States Connecticut Gneiss Milford dark gray, fine grain, hornblende-biotite
5LB20 United States North Carolina Gneiss Jamestown gray, coarse grain, biotite
5LB35 United States Connecticut Gneiss Lyme gray, coarse grain, biotite
5RA36 United States Connecticut Gneiss Bolton gray, coarse, biotite
6RB35 United States Connecticut Gneiss Ansonia gray, fine grain, compact, muscovite-biotite
11LB42 United States North Carolina Gneiss Hickory gray, coarse grain, biotite
5LA34 United States Connecticut Gneiss Middletown dark gray, fine grain, hornblende-biotite
5LB21 United States North Carolina Gneiss Henry's Station McDowel Co. dark gray, coarse grain, biotite
8LB25 United States North Carolina Gneiss Raleigh light blue gray, fine grain, biotite
10La48 United States Rhode Island Gneiss Diamond Hill greenish-gray, fine grain, hornblende
5La35 United States Connecticut Gneiss N. Bridgeport dark gray, fine grain, hornblende-biotite
5LB22 United States North Carolina Gneiss Alexander dark gray, medium grain, hornblende-biotite
6LA36 United States Connecticut Gneiss Greenwich dark gray, fine grain, hornblende-biotite
6LB22 United States Massachusetts Gneiss W. Andover gray
6RA36 United States Connecticut Gneiss Gastonbury gray, fine grain, biotite
7LB22 United States North Carolina Gneiss Shelby gray, fine grain, biotite
7LB37 United States Massachusetts Gneiss Westford light gray, fine grain, muscovite
9LB24 United States Massachusetts Gneiss Charlton light gray, fine grain, muscovite-biotite
5LA21 United States North Carolina Gneiss Greensborough gray, coarsely porphyritic, biotite
5LB38 United States Maryland Gneiss Baltimore light gray, fine grain, biotite
5RA39 United States Maryland Gneiss Baltimore light gray, fine grain, biotite
6LB23 United States North Carolina Gneiss Mooresville Red, yellow-mottled, fine grain
5LA22 United States North Carolina Gneiss Henderson pinkish-gray, medium grain, biotite
6LA23 United States North Carolina Gneiss Morganton Depot. white, green-spotted, fine grain, horneblende
10LB34 United States Connecticut Gneiss Roxbury light gray, fine grain, biotite-muscovite
5RB42 United States New Jersey Gneiss Bloomingdale greenish-gray, fine grain, biotite