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Canadian Ammolite Sterling Silver Ring Was 110.00 on Sale for 100.00

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Canadian Ammolite Sterling Silver Ring Ammolite 18x13mm valued at $120.00 shows orange,green,yellow and some blue changes color at different angles and different lighting Ring Size 9 can be sized anywhere from 9 to 10 for free

Mined in Alberta, Canada, ammolite was recognized by the International Colored Gemstone Commission (ICGC) in 1981 as a new organic gemstone and is considered the rarest gemstone in the world.

The name "ammonite" is derived from the ancient Egyptian god named Ammon who believed these creatures were divine. Ammon is represented in ancient literature by the head of a ram with twisted spiral horns that are reminiscent of an ammonites spiraled shells. Pliny the Elder, the Roman historian, considered ammonite to be the holiest of stones because he believed it would summon dreams of prophesy.

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.

It is aragonite that is responsible for the beautiful and intense color play in the stone. The aragonite crystals form thin scales and / or layers of various thickness and as light hits these layers it is diffracted and exhibits the intense reds, yellows, greens, blues and other colors of the rainbow seen in gem quality ammolite.

The colours of gemstone Ammolite can be remarkable. All of the colours of nature or conceivable in mans imagination can come to vivid life in Ammolite. Every square centimeter can contain an infinite and changing / shifting array of combinations. A strong, bright single colour or ranges of bright colours demark a higher grade stone. Gemstones sporting certain hues like crimson, gold and violet are in highly sought and very rare.


The iridescence of the Ammolite is determined by the various thicknesses of its aragonite crystals (lamellae) and the resulting intensity of light diffraction. Superior iridescence is unmistakable. High grade Ammolite is not only brilliantly iridescent; its colours will seem to come alive; changing and dancing over the surface of the gem as the angle of the incident light changes.


Chromatic shift is another phenomenon that determines the 'uniqueness' and value of Ammolite gems. The colour shift can be subtle or dramatic and is entirely dependant upon the viewers' perspective and the light sources angle. Monochromatic shift describes a changing of hues within the same primary colour group. On some gems the phenomenon occurs with red changing to gold or green changing to blue, etc. The stones on which this two colour shift occurs are referred to as Dichromatic. Most dramatic and spectacular of all is a Spectrochromatic shift. On an Ammolite gemstone with Spectrochromatic shift colours will shift through the entire rainbow spectrum.

Canadian Ammolite Sterling Silver Ring Was 110.00 on Sale for 100.00

Overview

  • Handmade item
  • Materials: Canadian Ammolite, Sterling Silver
  • Ships worldwide from New Mexico, United States
  • Feedback: 229 reviews
  • Favorited by: 14 people