6RB9 |
United States |
Pennsylvania |
Serpentine |
Chester |
green, coarse grain, impure |
6RB8 |
United States |
Pennsylvania |
Sandstone |
Black Walnut |
light blue gray, fine grain, porous, Devonian |
6RB7 |
United States |
Pennsylvania |
Sandstone |
Cannonsburgh |
light gray, fine grain, porous, carboniferous |
6RB6 |
United States |
Pennsylvania |
Sandstone |
Center Bridge |
purplish-gray, fine grain, compact, Triassic |
6RB5 |
United States |
Pennsylvania |
Sandstone |
Greenville |
light olive, fine grain, porous, carboniferous |
6RB47 |
United States |
Vermont |
Granite |
Ryegate |
gray, fine grain, biotite-muscovite |
6RB46 |
United States |
Vermont |
Granite |
Barre |
light gray, fine grain, biotite |
6RB45 |
United States |
Vermont |
Granite |
Brunswick |
gray, fine grain, biotite |
6RB44 |
United States |
New Hampshire |
Granite |
Keene |
light gray, fine grain, biotite-muscovite |
6RB43 |
United States |
New Jersey |
Diabase |
Rocky Hill |
dark gray, very fine grain |
6RB42 |
United States |
South Carolina |
Granite |
Batesburg |
dark gray, medium grain, biotite |
6RB41 |
United States |
Maryland |
Serpentine |
Dublin Borough |
dark and light-green, variegated |
6RB40 |
United States |
Maryland |
Gneiss |
Mt. Royal |
light gray, fine grain, biotite |
6RB4 |
United States |
Pennsylvania |
Sandstone |
Center Bridge |
gray, rust-spotted, coarse grain, compact, Triassic |
6RB39 |
United States |
Ohio |
Sandstone |
Sunbury |
light gray, fine grain, porous, Lower carboniferous |
6RB38 |
Mexico |
|
Tuff |
Huehutoca |
Red, coarse grain, rhyolite |
6RB37 |
Mexico |
|
Tuff |
Oaxaca State |
brown, white-mottled, fine grain, porous |
6RB36 |
United States |
Connecticut |
Granite |
Thomaston |
gray, fine grain, biotite-muscovite |
6RB35 |
United States |
Connecticut |
Gneiss |
Ansonia |
gray, fine grain, compact, muscovite-biotite |
6RB34 |
United States |
Minnesota |
Granite |
Watab |
Red, coarse grain, hornblende |
6rb33 |
United States |
Colorado |
Tuff |
Castle rock |
light gray, fine grain, rhyolite |
6rb32 |
United States |
Colorado |
Granite |
Georgetown |
gray, medium grain, Porphyritic, biotite |
6RB31 |
United States |
Texas |
Granite |
Nr. Llano |
gray, coarse grain, biotite |
6RB30 |
United States |
California |
Sandstone |
Alameda |
light brown, coarse grain, porous |
6RB3 |
United States |
Pennsylvania |
Sandstone |
Kiasola Station Beaver Co. |
gray, coarse grain, porous, carboniferous |
6RB29 |
United States |
Kentucky |
Sandstone |
Kirkmansville |
yellowish, medium grain, porous |
6RB28 |
United States |
New York |
Sandstone |
Canisteo |
light gray, fine grain, compact, Devonian |
6RB27 |
United States |
Maine |
Granite |
Franklin |
gray, coarse grain, biotite |
6RB26 |
United States |
Maine |
Granite |
Bryant's Pond |
dark gray, medium grain, biotite |
6RB25 |
United States |
Maine |
Granite |
Calais |
pinkish-gray, medium grain, biotite |
6RB24 |
United States |
North Carolina |
Granite |
Salisbury |
light gray, fine grain, Archaean, biotite |
6RB23 |
United States |
North Carolina |
Granite |
Mt. Airy |
yellowish-gray, medium grain, biotite |
6RB22 |
United States |
Massachusetts |
Granite |
Rockport |
dark gray, coarse grain, hornblende |
6RB21 |
United States |
Ohio |
Sandstone |
Marietta |
buff, coarse grain, porous, carboniferous |
6RB20 |
United States |
Ohio |
Sandstone |
Amherst |
light gray, fine grain, porous, Lower carboniferous |
6RB2 |
United States |
Pennsylvania |
Sandstone |
Franklin |
gray, fine grain, porous, Sub-carboniferous |
6RB19 |
United States |
Pennsylvania |
Diabase |
Reading |
dark gray, coarse grain |
6RB18 |
United States |
Pennsylvania |
Gneiss |
Chester |
light gray, fine grain, garnet, biotite-muscovite |
6RB17 |
United States |
Pennsylvania |
Gneiss |
Philadelphia |
dark gray, fine grain, biotite |
6RB16 |
United States |
Pennsylvania |
Diabase |
Round Top Gettysburg |
gray, fine grain, porous, Mesozoic |
6RB15 |
United States |
Pennsylvania |
Argillite (Slate) |
Bangor |
blue-black, fine grain, roofing slate |
6RB14 |
United States |
Pennsylvania |
Diabase |
Reading |
nearly black, fine grain |
6RB13 |
United States |
Pennsylvania |
Conglomerate |
Friedensburg |
dark purple, coarse grain, porous, siliceous, Potsdam |
6RB12 |
United States |
Pennsylvania |
Conglomerate |
Pikesville |
reddish-gray, compact, conglomerate |
6RB11 |
United States |
Pennsylvania |
Conglomerate |
Pottsville |
brown and gray, coarse, compact, siliceous |
6RB10 |
United States |
Pennsylvania |
Diabase |
St. Peters |
dark gray, medium grain, compact, St Peters Granite |
6RB1 |
United States |
Pennsylvania |
Quartzite |
Huntingdon |
light gray, fine grain |
6RA9 |
United States |
Pennsylvania |
Sandstone |
Garland |
yellow, coarse grain, porous, carboniferous |
6RA8 |
United States |
Pennsylvania |
Sandstone |
Homewood |
brown, coarse grain, porous, carboniferous |
6RA7 |
United States |
Pennsylvania |
Sandstone |
Derry Station Westmorland Co. |
bluish-gray, fine grain, compact, carboniferous |
6RA6 |
United States |
Pennsylvania |
Sandstone |
Farrandsville |
buff, fine grain, porous, Devonian |
6RA5 |
United States |
Pennsylvania |
Sandstone |
Mauch Chunk |
dark gray, fine grain, compact |
6RA47 |
United States |
Wisconsin |
Quartzite |
Waterloo |
gray, coarse grain, compact, paving stone |
6RA46 |
United States |
Michigan |
Gneiss |
Vulcan |
dark gray, fine grain, biotite |
6RA45 |
United States |
Vermont |
Granite |
Newark |
pink, coarse grain, biotite |
6RA44 |
United States |
New Hampshire |
Granite |
Milford |
light gray, fine grain, biotite |
6RA43 |
United States |
New Hampshire |
Gneiss |
Petersborough |
gray, medium grain, muscovite-biotite |
6RA42 |
United States |
New Jersey |
Sandstone |
Martinville |
drab, fine grain, compact, Triassic |
6RA41 |
United States |
Maryland |
Argillite (Slate) |
Nr. Cardiff |
blue-black, medium coarse texture, roofing |
6RA40 |
United States |
Maryland |
Gneiss |
Ellicott City |
dark gray, coarse grain |
6RA4 |
United States |
Pennsylvania |
Sandstone |
Connellsville |
light gray, fine grain, porous, carboniferous |
6RA39 |
United States |
Massachusetts |
Granite |
N. Easton |
pinkish, coarse grain, biotite |
6RA38 |
United States |
North Carolina |
Granite |
Gaston Co. |
gray, coarse grain, biotite |
6RA37 |
Mexico |
|
Tuff |
Zacatecas State |
pinkish, fine grain, compact, rhyolite |
6RA36 |
United States |
Connecticut |
Gneiss |
Gastonbury |
gray, fine grain, biotite |
6RA35 |
United States |
Connecticut |
Granite |
Millstone Point |
gray, fine grain, biotite |
6RA34 |
United States |
Minnesota |
Granite |
E. St. Cloud |
dark gray, coarse grain, hornblende |
6RA33 |
United States |
Colorado |
Sandstone |
Greeley |
light red, laminated, fine grain, compact |
6RA32 |
United States |
Texas |
Diorite |
El Paso |
light greenish-gray, medium grain |
6RA31 |
United States |
California |
Sandstone |
Haywards |
brown, medium grain, porous |
6RA30 |
United States |
Kentucky |
Sandstone |
Whitney Co. |
light blue gray, fine grain, porous |
6RA3 |
United States |
Pennsylvania |
Sandstone |
Hummelstown |
brownish-purple, coarse grain, porous, Triassic |
6RA29 |
United States |
New York |
Sandstone |
Albion |
brownish-purple, fine grain, compact, Upper Silurian |
6RA28 |
United States |
New York |
Sandstone |
Belfast |
drab, medium grain, compact |
6RA27 |
United States |
Maine |
Granite |
Brunswick |
gray, coarse grain, biotite |
6RA26 |
United States |
Maine |
Granite |
Chesterville |
gray, fine grain, biotite |
6RA25 |
United States |
Maine |
Gneiss |
Turner |
dark gray, medium grain, biotite |
6RA24 |
United States |
North Carolina |
Granite |
Salisbury |
brownish-gray, medium grain, biotite |
6RA23 |
United States |
North Carolina |
Granite |
Salisbury |
pinkish-gray, coarse grain, biotite |
6RA22 |
United States |
Massachusetts |
Granite |
W. Quincy |
dark gray, coarse grain, hornblende |
6RA21 |
United States |
Ohio |
Sandstone |
Ridgeville |
buff, medium grain, porous, Lower carboniferous |
6RA20 |
United States |
Ohio |
Sandstone |
Lancaster |
light gray, coarse, friable, Lower carboniferous |
6RA2 |
United States |
Pennsylvania |
Sandstone |
Columbia |
blue-drab, fine grain, compact, argillaceous, Lower Silurian |
6RA19 |
United States |
Pennsylvania |
Quartzite |
Jacksonwald |
light gray, fine grain, compact |
6RA18 |
United States |
Pennsylvania |
Sandstone |
Danville |
dark blue gray, fine grain, compact, Upper Silurian |
6RA17 |
United States |
Pennsylvania |
Sandstone |
Greensburgh |
gray, fine grain, compact, carboniferous |
6RA16 |
United States |
Pennsylvania |
Sandstone |
Goldsboro |
purplish-brown, medium grain, porous, Triassic |
6RA15 |
United States |
Pennsylvania |
Sandstone |
Connellsville |
green-tinted, brown, coarse, porous, carboniferous |
6RA14 |
United States |
Pennsylvania |
Sandstone |
Fuller |
buff, coarse grain, porous, carboniferous |
6RA13 |
United States |
Pennsylvania |
Sandstone |
Goldsboro |
purplish-brown, medium grain, compact, Triassic |
6RA12 |
United States |
Pennsylvania |
Sandstone |
Lucesco |
gray, dark-streaked, medium grain, compact, carboniferous |
6RA11 |
United States |
Pennsylvania |
Sandstone |
Layton Station Fayette Co. |
light gray, medium grain, porous, carboniferous |
6RA10 |
United States |
Pennsylvania |
Sandstone |
Johnstown |
light gray, fine grain, compact, carboniferous |
6RA1 |
United States |
Pennsylvania |
Sandstone |
Mainesburgh |
blue gray, fine grain, compact, Devonian |
6R48 |
United States |
North Carolina |
Sandstone |
Raleigh |
cut from same block as No 6L48, brownish-gray, coarse grain, porous |
6LQ |
United States |
Georgia |
Marble |
Tate |
bluish-gray, coarse grain, calcite, Cherokee |
6LB9 |
United States |
Pennsylvania |
Sandstone |
Baden |
gray, rust-spotted, coarse, porous, carboniferous |
6LB8 |
United States |
Pennsylvania |
Sandstone |
Webster |
brownish-gray, banded, fine grain, carboniferous |
6LB7 |
United States |
Pennsylvania |
Sandstone |
Yardleyville |
light brown, medium grain, porous, Triassic |
6LB6 |
United States |
Pennsylvania |
Sandstone |
Prospect |
gray, fine grain, compact, carboniferous |