Danburite is a little-known gemstone that deserves wider recognition. While its generally colorless, it can be found in hues of yellow, pink and orange. With a hardness of 7 and a relatively high RI that ranges from 1.627 to 1.639, it cuts beautiful stones have excellent brilliance and flash.
There are no named varieties or species of Danburite.
Where is it found
The primary locations for gem-grade Danburite are Mexico (primarily colorless to pale pink stones), Russia and most recently Tanzania, where a substantial amount of bright canary-yellow Danburite has been found in the past few years.
While Danburite is not typically treated in any way, some of the material coming from Russia has been irradiated to produce orange and peach-pink hues. The stability of this enhancement is unknown.
Use in jewelry
Danburite is slowly gaining in popularity. It is well-suited to use in jewelry due to its hardness–at 7 on the Mohs scale, its similar to Tourmaline and Beryl. It can often be found in fairly large sizes, and is very reasonably priced.
You can look at my current inventory online here: https://www.earthstreasury.com/product-category/gemstones/danburite/
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