Deschutes Jasper Unpolished Slab: Swirling Abstract Scene w/ Mauve and Blue-gray

Description

A great abstract scene on this piece of Deschutes Picture jasper with deep rosy-mauve and blue-gray hill patterns around a central rosette. The photos are showing a lot of golden ochre, which isn't apparent in person. The colors are saturated and deep; some old-timers exposed darker slabs to the summer sun for months after cutting and polishing in order to lighten them, though you never know which colors will fade more (if you try this, you can always re-sand with your finest grit and polish to go back to the original shade). There are some open formation shrinkage fractures along the edges, but there is plenty of solid material here. I think this eye-catching scene would make an impressive collector's display slab if given a simple face polish. There is also plenty of material to cut several collectible cabochon gems with lots of design possibilities. This material is hard stuff and should take a glass-like polish. There hasn't been any of this material dug in 50 years, so it is getting scarce.
Deschutes is one of the premier "porcelain" jaspers (so-named because of the glass-like polish which it takes). Deschutes, Morrisonite and Imperial jaspers are the triumvirate representing highest-quality jaspers, and each has been given the designation "King of Jaspers" by various writers. Although it is sometimes confused with the nearby Biggs jasper, Deschutes usually has tighter patterns, a different color palette and is more dense (more highly silicified). Deschutes jasper is now extinct; although the deposit was totally exhausted some 40 years ago, it is still highly sought after by collectors
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The photo which includes the measure/ruler was taken dry, the material in the other pictures was dampened to better approximate how the colors and patterns may intensify after being polished. Not as yellow as appears in the photos. I made photos in direct sun.
Approx. Size:
120 x 70 x 4.85 mm
Approx. Weight:
90 g
Shape/Cut:
irregular/slab
Origin:
Sherman County, Oregon (USA)
Known treatment(s):
none
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