I must go back to about 1920.
What is a lindy star sapphire.
A lindy star on a yellow sapphire cabochon 2 look for the l if there is a small l stamped on the underside of the stone then that is the clearest sign of the sapphire s falseness.
Learn about asterism an optical phenomenon displayed by these one of a kind gems why a perfect star sapphire should be a concern how critical the cut of a star sapphire is and where 2020 trends see star sapphires.
This effect is caused by asterism.
A linde sapphire s star has thin perfectly even rays that are so clear some jewelry experts say they appear painted on the star is visible even in dim light and doesn t move relative to a light source.
Star sapphire corundum variety.
In contrast a natural sapphire s star has thicker slightly uneven rays and the star moves to follow the light.
Jack burdick co inventor at u c c linde division.
Armstrong siddeley star sapphire a british automobile from 1958.
The most common lindy star sapphire material is metal.
A lindy star sapphire is a synthetic star which is essentially painted on a stone.
The effect is best viewed under a direct light source and while tilting and rotating the stone from different angles.
Star sapphire comics the name of several dc comics supervillains star sapphire a fairy from the touhou project series of video games.
Burdick would you tell us how you happened to develop the star.
It was manufactured by the linde division of the union carbide corporation between the 1950s and 1970s.
The most popular color.
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The following article is based on excerpts from an interview with mr.
When viewing star sapphire a six rayed star will appear to float across the surface of the stone.
Vintage linde lindy 5mm approx 1 5 ctw mint green star sapphire created pendant earring set pal plated chain 18 inch 925 sterling silver silkpurseprime from shop silkpurseprime.
Star sapphire is rare variety of sapphire that exhibits a rare asterism under specific lighting.
Star sapphire is a type of sapphire displaying an optical star like effect.
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In europe as in all other places since synthetic blue sapphire has never been a satisfactory material.
There are 433 lindy star sapphire for sale on etsy and they cost 85 59 on average.
You can read more about asterism in our phenomenal gems article.
Production stopped in 1974 due to increased overseas competition from southeast asia.