ITEM: Fossil Large Pendant.
Composition: Sterling Silver
GEMS: (1) Oval Jasper 32 mm X 23.5 mm, Petoskey 22 mm X 14 mm Ammonite, 19.25 mm X 14.22 mm
CONDITION: Estate item, Good.
WEIGHT: 29.0 grams.
MEASUREMENT: 3" length X 1 3/8" width.
COMMENT: Impressive vintage large fossil pendant. Showcases bezel set Ammonite, Petoskey and Jasper large pendant. Crafted in a fine sterling silver setting. Picture jasper is a petrified or silicated mud that dripped into gas pockets in molten lava. It became super heated and then solidified forming the unusual banded patterns which are typical of this stone. Ammolite is the mineralized remains of an ammonite, the predecessor to the nautilus. This creature swam the oceans from the Paleozoic to the end of the Cretaceous era 65 to 70 million years ago and had coiled shells with chambers that filled with gas and provided both buoyancy and propulsion in the water. Although fossilized ammonites are found all over the world, supplies of the colorful iridescent gem quality ammolite are found only in southern Alberta, Canada, and only about 5% of this material actually yields gemstone material.
Ammolite forms from the mineralized remains of the ammonite shell which was exposed to tectonic pressure, mineralization, and intense heat. It is composed of 97% aragonite, 1% iron, 1% silica, and 1% trace minerals such as titanium, copper, chromium, magnesium, manganese, aluminum, barium, silicon, strontium, and vanadium.
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