39 results for blue chalcedony

Blue Lace Agate is a beautiful cryptocrystalline quartz stone or a member of the chalcedony family.   Generally only solid colored materials are actually named "chalcedony".  Most...

What is the difference between agates and jaspers? Agates and jaspers are both members of the Chalcedony stone family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the...

The Bible makes numerous references to stones:  The first mention of stones in the Bible (Exodus 28:17-20) has to do with the stones in Aaron's breastplate. Aaron was Moses' brother and led the...

Fire Agate has such small layers that light entering them forms interference colors known as "fire." It is thought to be formed when hot water saturated with silica and iron oxide invaded cavities...

Agates are members of the chalcedony family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the crystals are too small to be seen without high magnification. However, in the...

Polychrome Jasper is a type of chalcedony stone which develops in massive formations. The semiprecious gemstone material was first found on the northwest coast of Madagascar in 2008, while...

The best picture jaspers in the world come from the Oregon-Idaho border. Jasper is a member of the chalcedony family.Chalcedony, pronounced kal sid nee, is any form of microcrystalline quartz. “ Jaspe

Coyamito Agate comes from about 40 miles north of the famous Laguna Agate area. The area is in the state of Chihuahua, in Northern Mexico. Coyamito Agate is well known for its vibrant colors of...

Peru is one of the leading producers of copper, gold, lead and silver. Today, Peru is the largest gold producer in Latin America, and

Deschutes Jasper is a great brown, scenic, porcelain jasper from Oregon. It often has black dendrite inclusions.  Jasper is an opaque form of Chalcedony.  Deschutes Jasper was formed as...

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...