[Jewelry making - Article 00294] - Re: [Orchid] CZ-Synthetic

[Tony]

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    Hello Daniel, 

>     Most, if not all, of the gemological textbooks do define a 	
>     synthetic gem as something exactly duplicating its natural 	
>     counterpart. 

    Richard Liddicoat et al do indeed describe a synthetic stone as
    duplicating or reproducing a gem however Peter G Read more correctly
    uses the term synthetically-produced stone, synthetically-grown and
    synthetically-created are also correct. When describing a boule or a
    grown crystal you may correctly refer to synthetic ruby, C.Z. or
    whatever but once it is cut into a stone or gem the English is
    wrong. 

    The most correct term is man made which covers all cut or uncut
    synthetics, most simulants and the lab uniques such as strontium
    titanate, lithium niobate and the lovely garnet twins, yttrium
    aluminium garnet and gadolinium gallium garnet. 

Tony.
In dry dry B.C. where our forest is still burning.


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