262 results for chalcedony

The Petrified Forest National Park is located in Northern Arizona. It is located 26 miles east of Holbrook and just off of I40. In northeastern Arizona, a badlands desert known as The Painted Desert ...

Beautiful Amethyst Sage Agate (sometimes called Purple Sage) is named for its purple/gray color and lovely black manganese dendrites. It is found in the Bilk Mountain range near Denio, Nevada.&nbs ...

Botswana Agate is a beautiful banded agate first discovered in 1971. Botswana Agates are found as small white nodules in siliceous volcanic rocks. They are usually covered with an opaque rind, an ...

Sagenite Agate, or Sagenitic Agate, is any agate having acicular or needle-like mineral or crystal growths. These "sagenites" usually intersect in a grid or grill-like pattern, but the hair l ...

Tiffany Stone, also called Bertrandite, is a unique purple semiprecious stone material from Utah. It is actually an Opalized Fluorite, or an Opalite (yes, there is a such a thing as ...

Ocean Jasper is from a silicified rhyolite ash flow off the northwest coast of Madagascar. The area is near the village of Marovato.  It was discovered around 2000 and was vary plentiful at ...

Imperial Jasper and Royal Imperial Jasper are dense, very fine grained and exceptionally hard jaspers. Both of them are highly prized porcelain jaspers. Because of their fine grain, porcelain ja ...

Brazilian Agate and Piranha Agate are some of the most beautiful banded agates ever found. Brazil has the most massive deposits of agate in the world and they are mostly found in southern Brazil.

Plume Agates are clear or milky with three-dimensional plant, or flower-like plumes floating in them. Plumes are different than dendrites, which are usually more branch-like or thin, or moss which ...

Willow Creek Jasper is a well known semiprecious gemstone material that comes from Idaho. It is found about 15 miles north of Eagle, Idaho, which is northeast of Boise. The mine has been producin ...

Laguna Agate comes from Northern Mexico and is known for its vibrant reds! The Laguna Agate area is in the state of Chihuahua, from the Estacion Ojo Laguna area, about 150 miles south of the U.S.- ...

Idaho is a great state for rockhounding.  In fact Idaho's nickname is 'The Gem State’. It even has a county known as Gem County. The state is also home to an incredible variety of geol ...