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As opposed to the common
Rutilated Quartz, this is natural untreated Topaz with very thin,
straight, hollow tube inclusions.
In just the right
orientation, these thin needles refract light resulting in strong and
beautiful colors.
We are searching for this
special rough always, but do not get many pieces. Further, the
needles must be oriented exactly right in order to achieve the colorful
flashes across the face. We are using the buff-top design on some
stones, which in this case acts as a small magnifying lens. It
also can result in a weak cat's eye effect in some of the stones, as the
needles are parallel.
We do now know for sure where this rough
originates, other than it is from somewhere in East Africa.
The stones are very interesting. |