A stone is a rock that has been fashioned or shaped or has a purpose.
River Rock: Turquoise
River Rock: Sandstone, Turquoise, Breccia, Gneiss
River Rock: Gneiss, Volcanic Tuff, Chert
River Rock: Sandstone, Porphyry
River Rock: Quartz, Agate, Sandstone, Porphyry
River Rock: Turquoise, Porphyry, Sandstone
River Rock: Basalt, Sandstone
River Rock: Gneiss, Petrified Redwood
Montana Agate Riverscape
Agate Mountain Riverscape
Montana Moss Agate River Scene
Full Moon, River, Agate Slice
Moonlit, Blue River, Agate Slice
Moonset, River, Agate Slice
Twilight to Starlight Float
River Rock: Quartzite, Basalt, Moss Agate
Spring on the Gallatin River
Orange Hawkweed and Montana Agate
Springtime on the Gallatin