Ultra Rare Jasper Pseudomorph Pocket in Morgan Hill Poppy Jasper Designer Cut Collector Cabochon, Designer Cabochons


Jasper Pseudomorph Pocket in Morgan Hill Poppy Jasper Designer Cut Collector Cabochon

This special cabochon of Morgan Hill Poppy Jasper shows some great “poppies” against a yellow Jasper field, but is truly astonishing due to the unique sparkling druzy pocket. I had assumed it was stained quartz, but after photographing close up, I realized it was not as simple as that. After some serious investigation, I was able to work out that, being that Jasper is a microcrystaline variety of chalcedony or chert, the yellow druzy “crystals” are actually the yellow Jasper pseudomorph replacement of the tiny crystals that were filling the cavity prior to the Jasper filling it in. Technically, this is a very rare Jasper pseudomorph druzy; the Jasper has taken the form of the tiny quartz or other mineral crystals and the pocket within the surrounding Jasper has protected it, so that it maintains a natural sparkling light-reflecting finish. I can only give my best guess that these were quartz crystals based on the structure that I can see inside the pocket, but I find it difficult to say that it was quartz with 100% confidence. I've been unable to find anyone who has ever seen anything like this before. From a jewelry perspective, this is certainly a nice cabochon, but from the perspective of a collector, this is maybe a once in a lifetime opportunity to get something truly unique! To be honest, it's difficult for me to list this piece, as I keep thinking of what a unique treasure it is. This astoundingly ultra-rare cabochon is truly a one-of-a-kind piece that would be a real treasure in a collector’s case!

Jasper Pseudomorph Pocket in Morgan Hill Poppy Jasper Designer Cut Cabochon
46.5 x 27.8 x 6.4mm
59.52 cts.

I cut this cab by hand and it's been polished to a mirror polish both front and back with slightly beveled bottom edges.

Note that all my photos were taken using full spectrum lighting, which does fairly well in replicating natural sunlight. However, almost all cut stones will look best and brightest in direct sunlight.


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