Playful color

Article Abstract:

Gemstones display the optic phenomena of iridescence or rainbow effect; adularescence or moonstone effect; orient, the iridescence in pearls; play-of-color; and color change. These are caused by light interference, diffraction and interaction with ions.

Cover Story, Terminology, Color, Gems, Precious stones

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One for the money

Article Abstract:

Copper king William Andrews Clark was known to be a cold and corrupt person who lived during the 19th century. His feud with his counterpart Marcus Daly grew into a political war which corrupted Montana for many years.

History, Behavior, Copper industry, Montana, Personalities, Clark, William Andrews

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Designing partners

Article Abstract:

Jack and Elizabeth Gaultieri met at the Univ. of Kansas, and moved to Portland, OR, to start a studio, Zaffiro, specializing in rich gold and platinum granulation.

Oregon, Methods, Management, Personal narratives, Interview, Design and construction, Jewelers, Jewelers (Persons), Platinum jewelry, Goldwork, Gaultieri, Jack, Gaultieri, Elizabeth, Zaffiro

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