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Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video)
Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video) Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video) Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video) Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video)

Fluorescent Hyalite Opal, faceted, Mexico. 0.93 carat. (See Video)

Product Code: OPHY28
Units in Stock: 1
£232.00

An fascinating Hyalite Opal gemstone from Zacatecus, Mexico with the characteristic strong Fluorescence associated with gems from this prime locale.

The gem appears a very pale green colour in indoor lighting, a slightly stronger green in direct daylight.

It reverts to an electric green colour when exposed to either long-wave or short-wave ultraviolet light. (Images 1 and 5 taken in L/W UV, image 6 in S/W).
To see a short video of the fluorescent transformation of the gem on YouTube please use this link:

https://youtu.be/OvZUA45Vvj4

The gem has a very faint inclusion scene (not visible by eye) which consists of contoured flow lines. Magnified images 7 and 8 show the interior scene in white and L/W UV light.

Zacatecus is the source of the finest of this uncommon Opal variety and this is an excellent example of an extremely rare and  collectible gemstone.

weight:  0.93 carat
shape:   Cushion shape cut
dimensions:  7.21 x 6.40 x 4.25 mm
treatment:  None

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