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.

Interview, Lorenz, Dieter

---

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.

Works, Ames, Thomas Harth

---

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.

Analysis, Appreciation, Opals, Diffraction

Similar abstracts:

• Abstracts: Find Unconventional Views. How to shoot in low light: 11 pros show you, and give some good advice too. Focus an SLR manually
• Abstracts: Lights.. camera.. action! Make an airborne video. Make your own inset ailerons. Make a balsa & foam engine cowl
• Abstracts: Windchime earrings with cones: designed for an intriguing movement. Textured orbit brooch: crater-strewn silver and a celestial blue iolite create a planetary design
• Abstracts: Tiger 60. Cogswell Engineering Ellipse. ISC Indy international clipped-wing J-3 Cub
• Abstracts: Computer-generated NACA airfoils. Hobbytech Maximum Airspeed Indicator. Understanding airfoils; basic information for successful wing design

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.