Chalcedony Ammonite While in its sticky gel

While in its sticky gel state

or the formation of equally thin layers of secondary minerals due to hydrothermal or other alteration

Aquamarine has a hexagonal crystal structure and is highly prismatic

These high quality and exceptional color Chiapan Amber originated in Mexico during the Oligocene

fossils of Knightia eocaena and their close relatives are popular among both amateur and seasoned collectors due to their delicate preservation of detail

Chalcedony Ammonite While in its sticky gelA silicone based mineral closely related to quartz and agate, Chalcedony has a unique crystalline structure that gives it an enormously variable appearance. This mineral forms in a similar fashion to agates and geodes but due to heat and pressure at the time of formation results in a distinct look and almost silky texture. Chalcedony can be found in a range of colors but most often occurs in semitransparent or white. It has a long archaeological