SNAKE SKIN JASPER PARCEL-DRILLED 144.3 CTS [MX2620]

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Colors

SNAKE SKIN JASPER

This is a parecl of natural untreated nugget shaped stones ,  drilled .

Weight 144.3 cts app

Size 17x 17x12 mm app

Snakeskin jasper occurs in the Pilbara region of Western Australia.

The deposit is about 100 miles from the iron ore mining town of Newman which is in turn approximately 700 miles north of the capital, Perth.

The gemstone occurs as seams of jaspilite in a banded iron formation called "The Weeli Wooli Formation".

The age of this formation is around 2500 million years, so metamorphism & folding has added other interesting features such as cross cutting quartz veins & contortions to the unusual banding.

Jasper is an opaque rock of virtually any color stemming from the mineral content of the original sediments or ash. Patterns arise during the consolidation process forming flow and depositional patterns in the original silica rich sediment or volcanic ash. Hydro-thermal action is generally thought to be required in the formation of jasper.

Picture jaspers exhibit combinations of patterns (such as banding from flow or depositional patterns (from water or wind), dendritic or color variations) resulting in what appear to be scenes or images, on a cut section. Diffusion from a center produces a distinctive orbicular appearance, i.e., Leopard Skin Jasper, or linear banding from a fracture as seen in Leisegang Jasper. Healed, fragmented rock produces brecciated (broken)

7h 34m 33s

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Pricing & Details

Bid Increment $1.00
Starting Bid $11.00
Auction ID 99315
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Starts 8th Dec 2016 5:02pm PST
Ends 9th Dec 2016 5:00pm PST

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