I received boulder opal pendants yesterday. very happy with my purchase. Will buy from this seller again. Kisumu
|Dimensions (mm)||88 x 59 x 51mm|
|Weight (carats)||970.7 carats|
This is what the West Australian mine dept says about Pink Opal
Pink opal ‘Pink opal’ is a prospectors’ name applied to a different variety of mookaite that outcrops as a persistent bed of extremely bright pink opalized radiolarite near Binthalya. At this site, pink opal is present as a dominant, horizontal bed within zones of coloured porcellanites located beneath a surface-brecciated zone in which angular fragments of pink porcellanite have been cemented by iron and silica solutions to produce an attractive pink breccia. The pink zone beneath has already been tested by trial mining to ascertain the extent and consistency of the pink, opalized material.
Examination of pink opal thin sections has confirmed the rock is radiolarite with a dominantly isotropic, finegrained mineral composition. Although not verified by XRD analysis, the pink opal’s physical and visible optical properties suggest it is predominantly opaline silica, having a lower bulk density than the locally porcellanized mookaite material. Pink opal commonly shows liesegang banding and often contains small vugs and fine fractures infilled with microcrystalline quartz. Microscopic, lustrous grains within the rock result from reflections of granular quartz where it has infilled pores and replaced radiolarian structures. In a manner similar to the origin of mookaite, the resilicification of the Windalia Radiolarite forming the pink opal porcellanite has resulted in a visually attractive, bright pink material displaying a high vitreous lustre. Pink opal is extremely hard and brittle with a conchoidal fracture . These properties allow pink opal to take a high polish, making it suitable for the production of colourful, polished tumbled stones, cabochons, and other artworks .
All weights and sizes below are approximate
The colors in the image are different from the actual piece since in reality it’s not that smoky. The worst part is, the back with the pyrite seems to have less pyrite there than what was presented in the image. It’s crumbled but there were no pieces in i
so sorry to hear , could you return for a refund?
The luster doesn’t look exactly the same and the color appears a tad darker but it’s the same stone and accurate based on the selling page. Still a really good buy and well packaged
The Verified Seller has provided accurate and complete information for this gemstone including weight, dimensions and treatments where applicable.
|Starts||13th Aug 2015 11:25pm PDT|
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