Left-Handed Quartz?

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Uncle Al - 24 Mar 2005 20:38 GMT

Does anybody know of sources for

1) off-the-shelf
2) no twinning (Dauphine, Brazil, Liebisch, Japanese, Esterel,
Sardinia, Breithaupt)
3) no inclusions, colorless
4) optical grade or electronic grade
5) cultured Z-plate or natural
6) minimum 3-cm in all directions, ~10 pieces or equivalent total
volume
7) crystallographic space group P3(1)21 optically left-handed
single crystal quartz?

Commercially grown quartz is space group P3(2)21 and optically
right-handed. It is not usable in this application.

Thank you! Post here or use organiker'at'lycos.com

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Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf

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Repeating Rifle - 24 Mar 2005 23:30 GMT

> Does anybody know of sources for
>
[quoted text clipped - 13 lines]
>
> Thank you! Post here or use organiker'at'lycos.com

Although it has been many years, there was a rumor that synthetic quartz was
available in a single handedness. It was not true then, and it probably is
not true now.

If the companies are still in existance, I oulw try Karl Lambrect and
Rudolph Engineering.

To paraphrase someone I know, a Google search yields over 57,000 hits for
left hand synthetic quarta.

Bill

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Natural Science Forum / Earth Science / Mineralogy / March 2005

Left-Handed Quartz?