A conversation with Dieter Lorenz

Article Abstract:

Idar-Oberstein in southwestern Germany has been a jewelry making center for hundreds of years. Dieter Lorenz, a native of Idar-Oberstein, is one of the top names in contemporary gem carving, despite having had no formal lapidary training. He is partial to agate, black onyx and drusy quartz in designing.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code:

Precision personified

Article Abstract:

Gem carver Thomas Harth Ames has been acclaimed for his detailed carvings on gemstones such as rubies, ametrine and rock crystals. Ames gained training in precision cutting techniques as a carver for a company that manufactured gears for the space industry.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code:

It all depends on your point of view

Article Abstract:

A shift in perspective brings out the opal's play-of-color, which pertains to the spectral hues suggested by the stone. This play-of-color is the result of diffraction, a phenomenon wherein all the colors of the rainbow are reflected in white light.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code: