USA Agates Page 3

Included here are examples of agates that I feel are a pretty good cross-section of some of the better varieties of material that can be found throughout the United States. Pretty much all of the pieces in this section I have either bought, traded for, or received as gifts from friends. Specimens that are unpolished are shown wet to better show their colors.

New pictures will be added in no particular order. Hopefully, as the gallery grows, all you crazy agate lovers out there will find my collection as interesting and beautiful as I do. Periodically I will include pieces that aren’t agate or jasper, but are noteworthy enough in their own way to be included here.


Nevada, Face Polished Slab
7 1/8″ x 6 1/2′ x 1/2″  Spectacular large full round of petrified Sequoia wood showing some herringbone pattern.

Missouri, Rough Specimen
5 1/2″ x 3 1/2″ x 2 3/4″  This is a cool river tumbled piece of Missouri Lace with banding all around the perimeter.

Utah, Unpolished Slab
4″ x 3″ x 1/4″  Unusual black and gold dendritic agate from Brianhead, Utah.

Utah, Unpolished Slab
3 3/4″ x 3″ x 1/4″  Pretty slice of Indian Blanket jasper with lots of color.

Nevada, Unpolished Slab 
3″ x 2 1/4″ x 1/4″  A beautiful slabette of #8 Turquoise in a reddish brown matrix.

Nevada, Unpolished Slab
4 1/4″ x 2 1/2″ x 1/4″  Nice colors, druzy pockets, and sagenite needles in this agate from the McDermitt area.

Washington, Unpolished Specimen
2″ x 1 1/4″ x 1″  Sweet water-worn pebble of poppy jasper.

Utah, Polished Slab 
2 1/4″ x 2 1/4″ x 3/16″ A very pretty piece of flowering tube onyx.

Minnesota, Unpolished Slab
5″ x 3 3/4″ x 1/4″  Binghamite, an interesting material that is made up of chalcedony intergrown with fibrous iron oxides of hematite and goethite. This material may exhibit chatoyancy and has become quite rare.

Oregon, Polished Slab 
6″ x 2 1/4″ x 1/4″  This is a very nice slab of Morrisonite exhibiting the overlapping ovoid/egg patterns that it is well known for.

South Dakota, Unpolished Slab 
4 1/2″ x 2 1/2″ x 2″  This is an awesome piece of Hills Agate with red and orange fortification and druzy pockets.

Oregon, Unpolished Slab
3 3/4″ x 1 3/4″ x 1/4″  This is a lively piece of tube agate in shades of white, light grey, and dark bluish-grey.

Tesas, Unpolished Slab 
2 1/2″ x 2 1/4″ x 1/4″  This is an awesome piece of red plume agate in a translucent background.

Idaho, Unpolished Facecut Rough
4 1/2″ x 2 1/2″ x 2″  Graveyard Point plume agate with colorful gold plumes.

Texas, Polished Cabochon 
40mm x 42mm x 3.5mm  This is a pretty piece of multicolor plume agate in a translucent background cut into a freeform cab.

Oregon, Unpolished Slab
3″ x 3″ x 1/4″  A cool thunderegg slab with unusual markings and a little gold moss.

New York, Rough Quartz Crystal
1″ x 1/2″ x 1/2″  This is a beautiful water-clear quartz crystal from Herkimer, NY with small black mineral inclusions and two baby crystals perched on top.

Michigan, Rough Specimen
4 1/2″ x 3″ x 1 1/2″  These are Thompsonites embedded in matrix.

Idaho, Unpolished Facecut Rough
4″ x 1 3/4″ x 1 1/8″  This is a piece of beautiful plume agate from my friend Casey Santee who discovered this deposit.

Texas, Unpolished Facecut Rough
5″ x 2″ x 1 5/8″  This is a very pretty, large piece filled with colorful gold mossy stringers, pink fortifications & druzy pockets.

Nevada, Unpolished Slab
4 3/4″ x 4″ x 1/4″  This is a wonderful piece of tube & fortification agate from Mystery Mountain.

Oregon, Tumble Polished Limbcast
3 1/4″ x 1 3/8″ x 7/8″  This is an awesome chalcedony limbcast filled with lots of brownish-black branching dendrites.

Oregon, Unpolished Slab
4 1/4″ x 2 3/8″ x 1/4″  This is a really nice slab of plume agate with various small open pockets.

Oregon, Unpolished Slab
5 1/4″ x 2″ x 1/4″  A striking dendritic agate in a translucent clear & gold background.