Heliodor

 

This name, meaning gift of the sun, has been coir fairly recently for the yellow-green variety of beryl. Appearance Its main characteristic is its color, which the yellow-green of olive oil. The shade, however, may v. considerably, and it is hard to establish a dividing line t tween heliodor and golden beryl. The normally medium largish stones are generally given an oval or, more rarelv step cut. They may have the liquid inclusions typica beryl, but are usually quite clear.


Distinctive features Yellower versions can look v: much like olivine. But the strong birefringence of the latw visible merely by observing the facet edges with a lereadily distinguishes it. Heliodor may also be very simila chrysoberyl; the latter, however, is usually more lustrc and, of course, has different physical characteristics nally, heliodor can bear a resemblance to some yell: green tourmalines, though the color of these is sligr duller. Here, too, the surest way to establish a distinctic by measuring the physical characteristics.


Occurrence The best specimens come from Nam r but heliodor is also found in Madagascar and Value Collectors value heliodor at least as highly a aquamarine. It is not common on the market.


Simulants and synthetics A yellow-green variety of syrthetic spinel is used to imitate heliodor. Synthetic heliodor however, does not exist.

 

 

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