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|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a natural untreated stone well polished and ready for setting.It was mined and polished in India.
Weight 49.75 cts app
Size 28 x 28 x 8 mm app
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)
|Starts||18th Mar 2013 9:58pm PDT|
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