Chatoyancy, is an optical reflectance effect seen in certain gemstones. Coined from the
French word "œil de chat," meaning "cat's eye," chatoyancy
arises either from the fibrous structure of a material or from fibrous
Another type of Phenomenal Gems is the Color-Change
Gemstone. These are gemstones that display different colors according to
changes in lighting condition. This is
almost like the Chameleon monitor lizard, which changes the color...
Abstract: Phenomena gems are gems that display unusual
optical effects. These optical effects are
brought about when a concentrated beam of light is played over the gemstone and/or
when exposed under different types of...
Abstract: Silver is still very
popular as a precious metal for making Jewelry and other silver ornamental
objects because of its durability and malleability. For a buyer or jeweller it
is important to note...