|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a natural untreated agate from Montana. They have been in a tumbler and are very well polished both sides..
Weight 115 cts app
size 67x64x4 mm app
Montana Agate, a name given to the beautiful chalcedony found, most abundantly, in the alluvial gravels of the Yellowstone River, would probably be better named Yellowstone Agate, because its genesis was centered in the Yellowstone Park area. The actual tremendous volcanic activity that produced the conditions necessary for the formation of agate, spanned hundreds of miles and millions of years.
"Eastern Montana was mostly a shallow inland ocean, almost a swamp with huge forests lining its shores and islands of volcanoes spewing forth lava to entomb parts of the forest in lava and ash. The bowels of Yellowstone bulged and roared and flowed mountains of lava that decimated thousands of acres of mighty redwoods and sequoias for hundreds of miles. This decimation continued for hundreds of years with layer upon layer of forests growing up and being driven down under the ponderous weight of all the megatons of lava and ash. The hot lava devoured most of the wood in its rush to cover the trees, but some of the shape and ingredients of the limbs remained trapped in the cooling lava. When the time of the volcanoes and lava was subdued and the rains came, mineral laden silica-water flowed into the cavities and pockets left by the dying trees and bubbling lava. As flow after flow slowly filled the pockets with liquefied silica, Montana Moss Agate was born."
Gorgeous beads - perfect size form and colour. These are being sew onto a collection of silk scarves along with Swarovskis and tiny top grade freshwater pearls.BRIGHT GARNET BEAD FROM MADAGSCAR 81.40 CTS [GT 1537]
|Starts||22nd Jul 2017 6:02pm PDT|
|Ends||26th Jul 2017 6:00pm PDT|
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