semi precious
Moss Agate and Turritella Agate
yes oxyx is a semi-precious stone. It is an agate. Most of the onyx in the market today are heat treated agates
While an individual agate may display special colors and patterns that can make them highly desireable to rockhounds or other collectors it is not considered a "precious" stone. It is possible to find numerous examples that have sold for more than a hundred dollars. any gemstone of extremely very good quality will be called precious. So all agates are not precious only few agates of very very good quality can be called precious same way all diamonds are not precious, only very good quality diamonds can be a called precious.
This site will explain:* http://cash-and-treasures-wiki.travelchannel.com/page/Origin+of+Agates?t=anon
Agates can be found in various places around the world, including river beds, volcanic rocks, and areas with geothermal activity. Some popular locations for finding agates include the beaches of Lake Superior in the United States, the coasts of Brazil and Uruguay, and the state of Gujarat in India. Additionally, agates can also be found in certain regions of Australia, Mexico, and Germany, among others.
Agates can be found in a variety of locations around the world, including areas with volcanic activity or in sedimentary rock formations. Popular locations for agate hunting include parts of the United States (such as Oregon, Minnesota, and Michigan), Brazil, India, Mexico, and Australia. Agates are often found near coastal regions or in areas where there has been significant geological activity.
somewhere... near a volcano or dormant volcano
eBay is one place.
600$
During the ancient times, Filipino shelters are made of wooden materials. Their clothes are of silk, cotton and plant fibers. Women adorn themselves with accessories made of silver, gold and precious stones like pearls and agates.
Tennessee Agates are primarily found in the areas surrounding the Cumberland Plateau in Tennessee, United States. Some specific locations include the counties of Smith, Warren, and White.
People with money they seem this is a pretty stone