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Rare Namibian Gem Blue Otjoruharui Chalcedony Gemstone Cabochon Hand Crafted By LEXX STONES 16 carats

Rare Namibian Gem Blue Otjoruharui Chalcedony Gemstone Cabochon Hand Crafted By LEXX STONES 16 carats
$125.00
Only 1 available

Here for your consideration is an exceptionally rare hand crafted Gem Blue Otjoruharui Chalcedony cabochon. This incredible copper included cryptocrystalline form of silica was mined in the early 1980's and is coveted for it's rich vibrant near chatoyant translucency. According to the IGS, Chalcedony such as this Otjoruharu blue, was once thought to be a 'fibrous' variety of cryptocrystalline quartz, but more recently discovered to be a combination of quartz and another silicate mineral; Moganite (a polymorph of quartz). Both quartz and moganite share the same silicon dioxide chemical composition, but they have varying crystal structures. Moganite is monoclinic, while traditional quartz belongs to the trigonal crystal system. Chalcedony forms with a hexagonal crystal structure. This piece exhibits a brilliant semi translucent, slightly adularescent- iridescent blue lavender purple. Some minor mineral inclusions. 

Watery, vitreous polish front and back. Standard radius dome.

Quite the bragging specimen for your heirloom collection.
Perfect for bezel setting, PMC, wire wrap, your next metal, wood or restoration project. Use Your Imagination - We love creative people!

Photographs taken under full spectrum LEDs. Not dyed (You can verify that with a Chelsea filter) unheated and untreated.

Length - 22.6 mm
Width - 13.62 mm
Thickness - 6.33 mm
Weight -  16 carats
Origin  - Otjoruharui, Okahandja District, Otjozondjupa Region, Namibia

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