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Shelby Gem Factory
The Shelby Gem Factory is a Michigan company that manufactures man-made gemstones through proprietary processes. It is the home of an enterprise which now makes gems at farflung subsidiary factories. The factory makes more varieties of man-made gemstones than any other in the world.
In one facility it grows and facets gems, including simulated diamonds,〔〔 and mounts them in gold.
== History ==
ICT Incorporated, trade name "Shelby Gem Factory", is sited in Shelby, Oceana County, on the west coast of Michigan's Lower Peninsula.〔 It was founded in 1970 by Craig Hardy and Larry Paul Kelley.〔〔 The Kelleys later came to have full ownership of the now family-owned and operated business.
The Shelby Gem Factory initially produced only synthetic rubywith scientific lasers being the principal application. However, the greater profit potential of transmuting ruby rods into gemstones led to a change in the enterprise's focus. A colorless variant crystal was developed by experimentation with different materials and proportions. This was the first simulated diamond variety. It became the first business anywhere to mass-produce cubic zirconia (CZ). In the 1970s, Shelby Gem Factory rode the popularity wave of popularity cubic zirconia enjoyed. At its peak, tons of cubic zirconia were produced for the world market. Subsidiary factories were opened in China, India and Panama to keep up with demand.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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