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Value of Danburite


#1

Hello, all. It’s been a long time since I posted anything here. I’m
now teaching school in order to pay for health insurance. Although I
have little time to make jewelry, I read my Orchid digest every
morning religiously! Now to my problem. I have several Danburite
stones which were given me by a retiring metalsmith. I’ve just put
one in a ring, but have no idea as to the value of the stone. It is
about 1 1/2 carets, very clear with a slight greenish cast. Can
anyone give me an approximate value of these stones? Thanks in
advance - Gini in beautiful St. Petersburg, FL - going to 73 degress
today!


#2

Hi Gini,

I sometimes facet Danburite for my collector customers. Right now
the pale yellow variety from Madagascar seems to be in demand.
Usually, the more common color is colorless, and from Mexico or
toher locations. The hardness is around 7, the same as amethyst or
citrine, but the Refractive Index is about 1.63, so it cuts a
brighter stone than quartz. In fact, Danburite is known for its
exceptional transparency (or “water” as Riched Hughes calls it) and
cuys a very, very pretty stone when the angles are correct for the
design and the polish is well done with facets very flat. I like it,
it’s very different…but I have never seen any with a green tinge.

I don’t know the “value” or that there is a real established value,
but I can tell you that I get around $35-40/c for stones I cut
(fancy shapes) in the 7-12 carat range. Standard cuts like round,
plain emerald cut, etc., are less…it’s really a matter of time
spent at the wheel for high precision, as the rough is inexpensive.
Hope that helps, enjoy your pretties!!

Wayne Emery
The Gemcutter