Stunning wire wrapped sterling bezel on this genuine dinosaur bone fossil, this is a thick 18-20 gauge sterling silver containing a STUNNING chunk of real Hell Creek Montana dinosaur bone fossil, roughly 65 million years old! I have dealt fossils for roughly 10 years and this is a really beautiful piece with lovely definition and deep colors of agate. T This piece is bold and heavyweight. Very smooth, will not catch on clothing. I recently came upon the estate of an old silver worker who had made tons of dinosaur bone rings and items, follow the shop to see more as I list them. The ring size is 7.25. Each square on the grid is 1/2" for scale. This item is hallmarked 925.
How is agatized dinosaur bone formed?
The process involves the replacement of natural bone by various minerals. In some situations, fossilized dinosaur bone, rather than being replaced by ironstone or other such materials, is replaced by chalcedony or quartz. When this chalcedony is translucent and possesses patterns or bands, it is referred to as agate, with dinosaur bones so permineralized referred to as agatized dinosaur bone, dinosaur gembone, or simply gembone.
One may encounter opalized dinosaur bone in which the marrow spaces or cells of the fossilized bone display common opal, with iron pyrite and/or calcite also being minerals found in dinosaur gembone. Since the most frequent mineral found in dinosaur gembone is chalcedony, it is referred to as agatized dino (saur) bone even if other materials are present as well.
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