October 13, 2023
About 45 CARATS Natural Rough Ellensburg Blue Agate Chalcedony 9 grams
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Rough Ellensburg Blue Agate!9 Grams About 45 caratsPlease use pics to judge grade and quality for yourself. Combined shipping available if asked prior to payment. Please message me with questions. Below is some basic data about Ellensburg Blues.Remember....Bid to Win!-----------------------------------Ellensburg Blue Agate is a blue agate found only in the foothills of the Cascade Mountains northwest of Ellensburg, Washington, USA. Although other blue agates are found elsewhere (for example, the Blue Lace and the Asian Blue Chalcedony), the Ellensburg Blue is unique in several respects, and an expert can distinguish the Ellensburg Blue from other more common forms of blue agate. Their unique chemical composition, with titanium and 42 other trace elements, is a result of the volcanic action in that region. In addition, with a Mohs scale rating of 7.5 to 8.3, Ellensburg Blue agates are somewhat harder than most agates, which are Mohs scale 7. Ellensburg Blues are found only in the cores of nodules in the glacial scatter fields of their range. Most nodules found in that area yield an inferior grey stone at their cores. Only a small proportion of these are blue, and an even smaller proportion are suitable for jewelry. Top quality Ellensburg Blue agates are sold by the carat for hundreds of dollars. The Ellensburg Blue is regarded by
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