-
Montana Moss Agate, Select, per lb
$12.00Montana Moss Agate is found on the river banks and sandbars of the Yellowstone River between Sidney and Forsyth, Montana. Montana Moss Agate typically features colorless, yellow to reddish brown, or gray to blue translucent agate. Dendrites or ribbon banding... -
Montana Moss Agate, B Grade, Rough Rock, per lb
$2.50Montana Moss Agate is found on the river banks and sandbars of the Yellowstone River between Sidney and Forsyth, Montana. Montana Moss Agate typically features colorless, yellow to reddish brown, or gray to blue translucent agate. Dendrites or ribbon banding... -
MOM126 Montana Moss Agate Specimen
$80.00A polished specimen featuring translucent agate in milky shades of white, blue, orange, red, and brown. Tiny dark brown speckles of dendrites are visible going back into one of the layers. 4" x 3.625" x 1"0.66 lbs -
MOM120 Montana Moss Agate Specimen
$185.00A polished specimen featuring translucent blue-gray and golden orange agate with ribbon banding and black dendrites. The back of this specimen does have remnants of red spray paint, which was used to mark its high grade in the rough. 4.5" x 2.125" x... -
MOM114 Montana Moss Agate Specimen
$95.00A polished specimen featuring translucent agate with gentle bands in orange, black, yellow, and hints of blue. 3.25" x 2" x 2"0.76 lbs -
MOM117 Montana Moss Agate Specimen
$90.00A polished specimen featuring translucent agate with banding in white and black, sections of mossy golden yellow, and alternating rings of agate bands and quartz bands. 3" x 3" x 2.25"0.78 lbs -
Montana Moss Agate, Tumbled Stone, 2 lb lot
$80.002 lb lot of large tumbled pieces of Montana Moss Agate, a dendritic agate in colorless, black, yellow, orange, red, white, and brown. Ribbons of color, banding, full-body dendrites, and tiny 'spotted' dendrites are possible. A wide variety of sizes... -
MOM116 Montana Moss Agate Specimen
$150.00A polished specimen featuring translucent agate with hints of purple, banding in orange, red, and white, and black dendrites entering from the crust. 3.75" x 3.25" x 2.25"1.25 lbs -
MOM119 Montana Moss Agate Specimen
$180.00A polished specimen featuring translucent blue-gray agate with sections of color change to shades of black, gray, and brown, and banding in orange. 5.25" x 2.5" x 3"1.82 lbs -
CL106c Montana Moss Agate Cabochon
$21.00Montana Moss Agate polished cabochon features primarily translucent agate with black and golden mossy patterning. 30mm x 35mm$42.00 -
MOM476c Montana Moss Agate Cabochon
$44.00Montana Moss Agate makes into beautiful cabs as the translucent agate features layers of dendrites and very fine banding. This polished cabochon has been photographed to show its transparency. This Montana cab is polished on both sides and features very clear agate with... -
MOM469c Montana Moss Agate Cabochon
$42.00Montana Moss Agate makes into beautiful cabs as the translucent agate features layers of dendrites and very fine banding. This polished cabochon has been photographed to show its transparency. This Montana freeform cab features black dendrites layered throughout the agate and translucent... -
MOM466c Montana Moss Agate Cabochon
$42.00Montana Moss Agate makes into beautiful cabs as the translucent agate features layers of dendrites and very fine banding. This polished cabochon has been photographed to show its transparency. This Montana cab features a peppered look with sprinkles of dark brown and black... -
MOM454c Montana Moss Agate Cabochon
$62.00Montana Moss Agate makes into beautiful cabs as the translucent agate features layers of dendrites and very fine banding. This polished cabochon has been photographed to show its transparency. This Montana cab features translucent agate with spots of black dendrites. 50mm x 30mm... -
MOM468c Montana Moss Agate Cabochon
$42.00Montana Moss Agate makes into beautiful cabs as the translucent agate features layers of dendrites and very fine banding. This polished cabochon has been photographed to show its transparency. This Montana freeform cab features peppery black dendrites layered throughout the agate, and it... -
Agua Nueva Agate, Moss, Rough Rock, per lb
$5.00Agua Nueva Moss Agate is from the Agua Nueva vein formation. It can contain small pockets of pink, white, lavender, and pale yellow banded agate. Additionally this material contains gold, red, and white moss. The ratio of moss to agate... -
River Runs North: A Story of Montana Moss Agate, The
$48.00"The River Runs North: A Story of Montana Moss Agate" by Tom Harmon. Harmon grew up on the banks of the Yellowstone River and has spent his life pursuing the secrets of the Montana Moss Agate. This book tells the history... -
Intarsia 412
$750.00This polished intarsia contains multiple layers of stone, with the center containing Montana Moss Agate, Wiggins Fork Moss Agate, and unknown agate, and Turquoise; completed with a double border frame and final black backing. The cabochon is constructed from 13 individual pieces. This scene combines multiple... -
Montana Moss Agate Gallery
... -
History of Montana Moss Agate
Montana Moss Agate is found in the alluvial gravel pits of the Yellowstone River. In fact, this chalcedony river rock would probably be better named Yellowstone Agate because its creation is centered in the Yellowstone Park area. The volcanic activity...
