Natural and untreated gemstones for your custom jewellery
Canadian Ammolite Stone 29 31 ct
Freeform Cabochon Multicolour 29.15 * 16.61 * 5.68 mm Doublet
Colors: Green and blue
WEIGHT : 29.31 ct
SIZE : 21.02 * 15.37 * 3.18 mm
SHAPE : Freeform Cabochon
CLARITY GRADE : Opaque
TREATMENT : Doublet
HARDNESS : 3.5 - 5.5
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Ammolite is a rare and valuable stone of organic origin, which is obtained from fossilized shells of ammonite (extinct animal in the Upper Cretaceous).
Due to its structure, consisting primarily on thin sheets stacked of aragonite, ammolite gem displays an IRIDESCENT phenomenon. Thicker plates of aragonite are red and greenish, the most thin and fragile are the blue and violet.
Ammolite displays a beautiful play of colors, the most common are green and red.
The more colors and more iridescence and brightness the ammolite has, the more valuable the stone will be.
The Ammolite Gem is usually cut in freeform cabochon (doublets or triplets).
More information about: Ammolite Stone, an iridescent and valuable fossil.
MdMaya Gems uses the following clarity scale when grading gemstones.
Setting aside translucent and opaque gemstones, the first classification to take into account is:
EYE CLEAN: Appears clean to the unaided eye. (Type 1, 2 and 3)
Type 1: Minute inclusions difficult to see with the unaided eye.
Type 2: Minor inclusions easy to see with the unaided eye.
Type 3: Noticeable inclusions apparent to the unaided eye.
Type 1: Minor inclusions somewhat easy to see with the unaided eye.
Type 2: Noticeable inclusions apparent to the unaided eye.
Type 3: Obvious inclusions very apparent to the unaided eye.
HEAVILY included: prominent inclusions that have a negative effect on appearance or durability.
SEVERELY INCLUDED: prominent inclusions that have a severe effect on appearance or durability or both. (Type 1, 2 and 3).
All our gemstones have been analyzed by a qualified gemologist. Each precious stone comes with a gemological certificate to guarantee its authenticity, as well as describing its unique characteristics.
Pictures in this website might not reflect the intensity and brightness of the real color of the gemstone. Additionally, the pictures might not properly represent the real size of the gem (provided in millimeters). Do not hesitate in requesting more graphic documentation of the precious stone for any clarifications. This will be provided shortly to accommodate your needs.
The photographs of the inclusions, if any, are a distinctive sign NATURAL origin.
If you are interested in obtaining more information about this gemstone, CONTACT US and we will respond as son as possible.