|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
SEDA OPAL JEWELERY
PRASE OPAL PENDANT
This is a natural prase opal from Tanzania which has a natural Australian opal on top of the pendant.
The stones have been bezel set which helps protect it.
The workmanship and quality is excellent.
Weight of prase opal 2.65 cts app
Size of prase opal 12 x 8 mm app
Amount of silver used 1.43 gramms app
length of pendant 27 mm app
Weight of stone and silver: 9.82 cts.
Our jewelery manafacturing is contracted out to one factory in asia where i supply both the silver and stones to be set.This gives me control of the quality of both the silver and stones.
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.
|Starts||24th Oct 2012 11:17pm PDT|
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