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14.4 CTS GREEN OPAL ROUGH TANZANIA DT-3162 /// dreamtimeopals

SKU
dt-3162
Dimensiones (mm)
20.000 x 15.000 x 9.000mm
Peso (cts)
14.400
Tipo
Rough
Colores

PRASE GREEN OPAL

tanzania

This is a natural parcel of untreated rough pieces of green opals I purchased on my last trip to Tanzania.Production is very limited of this material. These opals have not been touched in any way. And this is how it comes out of the mines.

This material can be cabachoned,faceted or made into carvings.

Prase opal is a nickel-bearing variety of common opal, with nickel being the chromophore that illuminates the neon bluish-green hue. Chrysoprase and prase opal can be similar in appearance but can easily by separated by varying RI and SG. Both varieties range from low-quality opaque material to high-quality translucent jewels; however, the prase opal tends to be more translucent and gemmy.

Chrysoprase and prase opal have been mined on Iyobo Mountain in central Tanzania for more than 20 years, with the first accounts being described by Gübelin in 1975. The most recent discovery revealed some of the most intense and beautiful bluish green material to be seen by the gem trade. The majority of the production is in the chrysoprase form, while the prase opal is the more rare find from this deposit. Chrysoprase and prase opal both form in discontinuous veins within metamorphosed ultramafic rocks with the most dominant host rock being altered serpentine.

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dreamtimeopals
dreamtimeopals
sally Patel and natassa Patel have been in business for 35 years trueblueopal us family owned company Lightningopals llc is USA based sister branch of trueblueopals, we wholesale top opals from all opal fields , working with mining partner's like David Darby of yowah we specialize in investmentopals , and work with auction houses as well , sally has held several positions in opal association and is current treasurer we are members of ica and Agta and American opal society and Lrma other family members are also selling on opalauctions with over 20 stores catering from rough cut fossil beads specimens carvings and more
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Válido hasta
29th Nov 2024

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Descripción general

Tipo de listado : Standard
ID del Producto : 1440649
Empieza : 12th November 2024 06:25 pm PST
* Todos los precios están en :moneda