Lindy star

Can the lindy Star Sapphire take the heat for sizing without
protecting Bob

At 08:09 PM 1/4/97 -0600, Goll, Robert wrote:

Can the lindy Star Sapphire take the heat for sizing without
protecting Bob

Synthetic star sapphires can take plenty of heat. Just don’t quench them.

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Can the lindy Star Sapphire take the heat for sizing without
protecting Bob

Interesting question. At first glance I’d say yes. Then if it
were my own job I’d probably take the thing out just to make
sure. Charles

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Can the lindy Star Sapphire take the heat for sizing without
protecting Bob

Nowdays for sizings I wrap the head in wet cotton wool. This is
less mess than heat shield or immersing in wet sand. Gerald

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Can the lindy Star Sapphire take the heat for sizing without
protecting Bob

Actually I used to heat them to a cherry red color and let them
cool just for sport. As long as you don’t quench them they will
take a lot of heat. I would not try that, however, with any
natural s

Rick Hamilton

Richard D.
Hamilton,Jr.
Goldsmith
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@rick_hamilton