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.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
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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.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1996
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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.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 2001
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